Switch to the CMake provided FindGLEW

We can migrate to the CMake version that provides imported target, and
stop carrying around our own version now that our CMake minimum has been
bumped.

Signed-off-by: Marcus D. Hanwell <[email protected]>

Author: cryos

CMakeLists.txt

@@ -114,7 +114,6 @@ if (NOT SKBUILD)
     "${AvogadroLibs_BINARY_DIR}/AvogadroLibsConfig.cmake"
     "${AvogadroLibs_BINARY_DIR}/AvogadroLibsConfigVersion.cmake"
     "${CMAKE_CURRENT_SOURCE_DIR}/cmake/FindEigen3.cmake"
-    "${CMAKE_CURRENT_SOURCE_DIR}/cmake/FindGLEW.cmake"
     "${CMAKE_CURRENT_SOURCE_DIR}/cmake/FindLIBARCHIVE.cmake"
     "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Findlibmsym.cmake"
     DESTINATION "${INSTALL_LIBRARY_DIR}/cmake/avogadrolibs")