delete gist(s) by ID
$ [sudo] npm i -g gist-delete
$ export GITHUB_TOKEN="<GITHUB_TOKEN>"
usage: gist-delete id ...
$ gist-id <id1> <id2>
delete orphaned gists
$ pip install gist-id gists-id
$ python -m gists_id | grep -v "$(find ~/git/gists -maxdepth 1 -exec gist-id {} \; 2> /dev/null)" | xargs gist-delete;: