Remove bilby_pipe dependency
After #67 (closed) is resolved, I should fully remove the bilby_pipe dependency by copying the bilbyargparser code https://git.ligo.org/lscsoft/bilby_pipe/-/blob/master/bilby_pipe/bilbyargparser.py into CWInPy.
After #67 (closed) is resolved, I should fully remove the bilby_pipe dependency by copying the bilbyargparser code https://git.ligo.org/lscsoft/bilby_pipe/-/blob/master/bilby_pipe/bilbyargparser.py into CWInPy.