Don't send notifs about CREATE_SUB_THREAD
Don't send notifs about CREATE_SUB_THREAD

Since these would be duplicate with `CREATE_THREAD`. Also, we're now only sending notifs to actual members where `subscribed` in the DB is 1 (soon to be changed).

Ashoat/squadcal,Ashoat/squadcal,Ashoat/squadcal,Ashoat/squadcal,Ashoat/squadcal,Ashoat/squadcal,Ashoat/squadcal