there is no svd3x3 anymore

Former-commit-id: b94f0fca6b8cd635c6a2ebc5500f555b91c75f71

tutorial/cmake/FindSVD3X3.cmake

@@ -1,29 +0,0 @@
-# - Try to find the SVD3X3 library
-# Once done this will define
-#
-#  SVD3X3_FOUND - system has SVD3X3
-#  SVD3X3_INCLUDE_DIR - the SVD3X3 include directory
-
-FIND_PATH(SVD3X3_INCLUDE_DIR Singular_Value_Decomposition_Givens_QR_Factorization_Kernel.hpp
-   /usr/include
-   /usr/local/include
-   ${PROJECT_SOURCE_DIR}/../libigl/external/Singular_Value_Decomposition/
-   ${PROJECT_SOURCE_DIR}/../../external/Singular_Value_Decomposition/
-   ${PROJECT_SOURCE_DIR}/../external/Singular_Value_Decomposition/
-   NO_DEFAULT_PATH
-)
-
-SET(SVD3X3_FOUND "NO")
-IF (SVD3X3_INCLUDE_DIR)
-	SET(SVD3X3_FOUND "YES")
-ENDIF (SVD3X3_INCLUDE_DIR)
-
-if(SVD3X3_INCLUDE_DIR)
-   message(STATUS "Found SVD3X3: ${SVD3X3_INCLUDE_DIR}")
-else(SVD3X3_INCLUDE_DIR)
-  if (NOT SVD3X3_FIND_QUIETLY)
-   message(FATAL_ERROR "could NOT find SVD3X3")
- endif(NOT SVD3X3_FIND_QUIETLY)
-endif(SVD3X3_INCLUDE_DIR)
-
-MARK_AS_ADVANCED(SVD3X3_INCLUDE_DIR SVD3X3_LIBRARIES)