Prepare for room v3+, misc bugfixes

vona/custom/hammerhead.py

@@ -1,4 +1,3 @@
-from vona.config import the_funny_number
 from datetime import datetime, timezone
 from vona.federation import send_join
 import vona.globals as globals
@@ -7,7 +6,6 @@ import time
 
 from flask import (
 	Blueprint,
-	request,
 	jsonify,
 )