Exclude embree module from installation

Former-commit-id: 0d0401454fefebc95e3f9192be7017037c1cb10c

shared/cmake/libigl.cmake

@@ -299,8 +299,8 @@ if(LIBIGL_WITH_EMBREE)
   if(NOT MSVC)
     target_compile_definitions(igl_embree ${IGL_SCOPE} -DENABLE_STATIC_LIB)
   endif()
-  list(APPEND ALL_MODULES igl_embree)
-  list(APPEND INSTALL_HEADERS igl/embree)
+  # list(APPEND ALL_MODULES igl_embree)
+  # list(APPEND INSTALL_HEADERS igl/embree)
 endif()
 
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