revert 5f88d56d96

バグがある(かつすぐに修正できそうにない) & まだレビュー途中で意図せずマージされたため

packages/backend/src/core/GlobalEventService.ts

@@ -249,7 +249,6 @@ export interface InternalEventTypes {
 	unmute: { muterId: MiUser['id']; muteeId: MiUser['id']; };
 	userListMemberAdded: { userListId: MiUserList['id']; memberId: MiUser['id']; };
 	userListMemberRemoved: { userListId: MiUserList['id']; memberId: MiUser['id']; };
-	userKeypairUpdated: { userId: MiUser['id']; };
 }
 
 type EventTypesToEventPayload<T> = EventUnionFromDictionary<UndefinedAsNullAll<SerializedAll<T>>>;