kill - remove an obsolete feature branch
git town kill [<branch_name>]
git town kill --undo
Deletes the current branch, or <branch_name> if given,
from the local and remote repositories.
Does not delete perennial branches nor the main branch.
<branch_name>
The branch to remove.
If not provided, uses the current branch.
--undo
Undo the previous `git town kill` operation.