remove luc's config (not needed anymore)

CMake/win64-libsVs2017Py3.cmake

-# This file is used when PFEM is compiled on Windows x64
-# with Luc Papeleux's precompiled libraries
-
-
-STRING(REGEX REPLACE "\\\\" "/" MYLIBS $ENV{METAFORLIBS})
-SET(CMAKE_GENERATOR  "Visual Studio 15 2017 Win64" CACHE INTERNAL "" FORCE)
-
-SET(PYTHON_INCLUDE_DIR       "${MYLIBS}/Python/include"             CACHE PATH     "" FORCE)
-SET(PYTHON_LIBRARY           "${MYLIBS}/Python/Libs/python37.lib"   CACHE FILEPATH "" FORCE)
-SET(PYTHON_RELEASE_LIBRARY   "${MYLIBS}/Python/Libs/python37.lib"   CACHE FILEPATH "" FORCE)
-SET(PYTHON_DEBUG_LIBRARY     "${MYLIBS}/Python/Libs/python37_d.lib" CACHE FILEPATH "" FORCE)