Missing Access errors on removing reaction

[kevinlul]

"msg":"Could not remove reaction","error":{"requestBody":{},"rawError":{"message":"Missing Access","code":50001},"code":50001,"status":403,"method":"DELETE"

In principle, this should not be happening. Bastion only tries to remove its own reaction if it is present, which means Bastion had permission to add the reaction, and Bastion should always be allowed to remove its own reaction.

https://github.com/DawnbrandBots/bastion-bot/blob/master/src/events/message-search.ts