Remove CF_CmdAcc and CF_CmdRej

Checklist (Please check before submitting)

[X] I reviewed the Contributing Guide.
[X] I reviewed the CF README.md file to see if the feature is in the major future work.
[X] I performed a cursory search to see if the feature request is relevant, not redundant, nor in conflict with other tickets.

Is your feature request related to a problem? Please describe. Inline functions CF_CmdAcc and CF_CmdRej are one-liners so they are mostly unecessary.

Describe the solution you'd like Replace their use and remove the functions.

Additional context https://github.com/nasa/CF/blob/50c6b04f1980fce3854f8e28cca92bf640612388/fsw/src/cf_cmd.h#L79-L100

Requester Info Haven Carlson - NASA

nasa / CF

Remove CF_CmdAcc and CF_CmdRej #281