Omit redundant check for overcrowded MUC room

The send_update_presence/4 function already checked whether the room is
overcrowded before calling send_update_presence1/4, so there's no need
to have send_new_presence/4 perform the same check.

src/mod_muc_room.erl

@@ -2117,7 +2117,7 @@ send_update_presence1(JID, Reason, StateData, OldStateData) ->
 		  end
 	    end,
     lists:foreach(fun (J) ->
-			  send_new_presence(J, Reason, StateData, OldStateData)
+			  send_new_presence1(J, Reason, StateData, OldStateData)
 		  end,
 		  LJIDs).