Each of the three major data portions for comps (groups, packages, group reqs) has Add, Remove, Block, and Unblock calls in the api, but in the cli things are less consistent
we have a remove-group command, but no remove commands for packages or reqs
we have block-group, but not unblock-group
Furthermore, some of the cli sanity checks are unhelpful or just wrong
Each of the three major data portions for comps (groups, packages, group reqs) has Add, Remove, Block, and Unblock calls in the api, but in the cli things are less consistent
Furthermore, some of the cli sanity checks are unhelpful or just wrong
Fixes https://pagure.io/koji/issue/3199
Fixes https://pagure.io/koji/issue/4393