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diff --git a/libs/assimp/test/unit/utVertexTriangleAdjacency.cpp b/libs/assimp/test/unit/utVertexTriangleAdjacency.cpp
deleted file mode 100644
index bda6304..0000000
--- a/libs/assimp/test/unit/utVertexTriangleAdjacency.cpp
+++ /dev/null
@@ -1,210 +0,0 @@
-/*
----------------------------------------------------------------------------
-Open Asset Import Library (assimp)
----------------------------------------------------------------------------
-
-Copyright (c) 2006-2022, assimp team
-
-All rights reserved.
-
-Redistribution and use of this software in source and binary forms,
-with or without modification, are permitted provided that the following
-conditions are met:
-
-* Redistributions of source code must retain the above
-copyright notice, this list of conditions and the
-following disclaimer.
-
-* Redistributions in binary form must reproduce the above
-copyright notice, this list of conditions and the
-following disclaimer in the documentation and/or other
-materials provided with the distribution.
-
-* Neither the name of the assimp team, nor the names of its
-contributors may be used to endorse or promote products
-derived from this software without specific prior
-written permission of the assimp team.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------------
-*/
-#include "UnitTestPCH.h"
-
-#include <assimp/mesh.h>
-#include <assimp/types.h>
-
-#include "Common/VertexTriangleAdjacency.h"
-
-using namespace std;
-using namespace Assimp;
-
-class VTAdjacencyTest : public ::testing::Test {
-protected:
-    void checkMesh(const aiMesh &mesh);
-};
-
-// ------------------------------------------------------------------------------------------------
-TEST_F(VTAdjacencyTest, largeRandomDataSet) {
-    // build a test mesh with randomized input data
-    // *******************************************************************************
-    aiMesh mesh;
-
-    mesh.mNumVertices = 500;
-    mesh.mNumFaces = 600;
-
-    mesh.mFaces = new aiFace[600];
-    unsigned int iCurrent = 0;
-    for (unsigned int i = 0; i < 600; ++i) {
-        aiFace &face = mesh.mFaces[i];
-        face.mNumIndices = 3;
-        face.mIndices = new unsigned int[3];
-
-        if (499 == iCurrent) iCurrent = 0;
-        face.mIndices[0] = iCurrent++;
-
-        while (face.mIndices[0] == (face.mIndices[1] = (unsigned int)(((float)rand() / RAND_MAX) * 499)))
-            ;
-        while (face.mIndices[0] == (face.mIndices[2] = (unsigned int)(((float)rand() / RAND_MAX) * 499)) ||
-                face.mIndices[1] == face.mIndices[2])
-            ;
-    }
-
-    checkMesh(mesh);
-}
-
-// ------------------------------------------------------------------------------------------------
-TEST_F(VTAdjacencyTest, smallDataSet) {
-
-    // build a test mesh - this one is extremely small
-    // *******************************************************************************
-    aiMesh mesh;
-
-    mesh.mNumVertices = 5;
-    mesh.mNumFaces = 3;
-
-    mesh.mFaces = new aiFace[3];
-    mesh.mFaces[0].mIndices = new unsigned int[3];
-    mesh.mFaces[0].mNumIndices = 3;
-    mesh.mFaces[1].mIndices = new unsigned int[3];
-    mesh.mFaces[1].mNumIndices = 3;
-    mesh.mFaces[2].mIndices = new unsigned int[3];
-    mesh.mFaces[2].mNumIndices = 3;
-
-    mesh.mFaces[0].mIndices[0] = 1;
-    mesh.mFaces[0].mIndices[1] = 3;
-    mesh.mFaces[0].mIndices[2] = 2;
-
-    mesh.mFaces[1].mIndices[0] = 0;
-    mesh.mFaces[1].mIndices[1] = 2;
-    mesh.mFaces[1].mIndices[2] = 3;
-
-    mesh.mFaces[2].mIndices[0] = 3;
-    mesh.mFaces[2].mIndices[1] = 0;
-    mesh.mFaces[2].mIndices[2] = 4;
-
-    checkMesh(mesh);
-}
-
-// ------------------------------------------------------------------------------------------------
-TEST_F(VTAdjacencyTest, unreferencedVerticesSet) {
-    // build a test mesh which does not reference all vertices
-    // *******************************************************************************
-    aiMesh mesh;
-
-    mesh.mNumVertices = 500;
-    mesh.mNumFaces = 600;
-
-    mesh.mFaces = new aiFace[600];
-    unsigned int iCurrent = 0;
-    for (unsigned int i = 0; i < 600; ++i) {
-        aiFace &face = mesh.mFaces[i];
-        face.mNumIndices = 3;
-        face.mIndices = new unsigned int[3];
-
-        if (499 == iCurrent) iCurrent = 0;
-        face.mIndices[0] = iCurrent++;
-
-        if (499 == iCurrent) iCurrent = 0;
-        face.mIndices[1] = iCurrent++;
-
-        if (499 == iCurrent) iCurrent = 0;
-        face.mIndices[2] = iCurrent++;
-
-        if (rand() > RAND_MAX / 2 && face.mIndices[0]) {
-            face.mIndices[0]--;
-        } else if (face.mIndices[1])
-            face.mIndices[1]--;
-    }
-
-    checkMesh(mesh);
-}
-
-// ------------------------------------------------------------------------------------------------
-void VTAdjacencyTest::checkMesh(const aiMesh &mesh) {
-    VertexTriangleAdjacency adj(mesh.mFaces, mesh.mNumFaces, mesh.mNumVertices, true);
-
-    unsigned int *const piNum = adj.mLiveTriangles;
-
-    // check the primary adjacency table and check whether all faces
-    // are contained in the list
-    unsigned int maxOfs = 0;
-    for (unsigned int i = 0; i < mesh.mNumFaces; ++i) {
-        aiFace &face = mesh.mFaces[i];
-        for (unsigned int qq = 0; qq < 3; ++qq) {
-            const unsigned int idx = face.mIndices[qq];
-            const unsigned int num = piNum[idx];
-
-            // go to this offset
-            const unsigned int ofs = adj.mOffsetTable[idx];
-            maxOfs = std::max(ofs + num, maxOfs);
-            unsigned int *pi = &adj.mAdjacencyTable[ofs];
-
-            // and search for us ...
-            unsigned int tt = 0;
-            for (; tt < num; ++tt, ++pi) {
-                if (i == *pi) {
-                    // mask our entry in the table. Finally all entries should be masked
-                    *pi = 0xffffffff;
-
-                    // there shouldn't be two entries for the same face
-                    break;
-                }
-            }
-            // assert if *this* vertex has not been found in the table
-            EXPECT_LT(tt, num);
-        }
-    }
-
-    // now check whether there are invalid faces
-    const unsigned int *pi = adj.mAdjacencyTable;
-    for (unsigned int i = 0; i < maxOfs; ++i, ++pi) {
-        EXPECT_EQ(0xffffffff, *pi);
-    }
-
-    // check the numTrianglesPerVertex table
-    for (unsigned int i = 0; i < mesh.mNumFaces; ++i) {
-        aiFace &face = mesh.mFaces[i];
-        for (unsigned int qq = 0; qq < 3; ++qq) {
-            const unsigned int idx = face.mIndices[qq];
-
-            // we should not reach 0 here ...
-            EXPECT_NE(0U, piNum[idx]);
-            piNum[idx]--;
-        }
-    }
-
-    // check whether we reached 0 in all entries
-    for (unsigned int i = 0; i < mesh.mNumVertices; ++i) {
-        EXPECT_FALSE(piNum[i]);
-    }
-}