chore: Remove unnecessary database map left over from refactor

src/database/maps.rs

@@ -458,8 +458,4 @@ pub(super) static MAPS: &[Descriptor] = &[
 		name: "userroomid_invitesender",
 		..descriptor::RANDOM_SMALL
 	},
-	Descriptor {
-		name: "websessionid_session",
-		..descriptor::RANDOM
-	},
 ];