Martin Brennan f5194aadd3
DEV: Remove usages of enable_personal_messages (#18437)
cf. e62e93f83a77adfa80b38fbfecf82bbee14e12fe

This PR also makes it so `bot` (negative ID) and `system` users are always allowed
to send PMs, since the old conditional was just based on `enable_personal_messages`
2022-10-05 10:50:20 +10:00
..