Update C++ executables to ignore with git
Update C++ executables to ignore with git

Drop `_base` from C++ executable as it is no longer a relevant
designator.

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