Sudo users can remotely ban members from chats containing the bot
Format for use: /rban <@username/userID> <chatID>

Signed-off-by: ATechnoHazard <[email protected]>

1. Use `if not` and return immediately
2. Add checks for private chat and bot admin+restrict status
3. Remove useless "" and log
4. Add more exception handling.

Signed-off-by: ATechnoHazard <[email protected]>

* Fix de-morgan logic
* Add `split()` to chat_id to ignore text after the chat id
* Refactor exception handling, like in global_bans module
* Add a missing import

Signed-off-by: ATechnoHazard <[email protected]>