CMakeLists.txt: Don't set PYTHON_EXECUTABLE as we can find it.
CMakeLists.txt: Don't set PYTHON_EXECUTABLE as we can find it.

jakirkham/rank_filter,nanshe-org/rank_filter,DudLab/rank_filter,DudLab/rank_filter,jakirkham/rank_filter,jakirkham/rank_filter,nanshe-org/rank_filter,DudLab/rank_filter,nanshe-org/rank_filter