Simplify poly2 assign loop

crowbx.c

@@ -312,15 +312,10 @@ void poly2_init(void) {
 }
 
 void poly2_assign_available_voices(void) {
-	for (; !l_empty(&poly2.available_voices);) {
+	for (; !l_empty(&poly2.available_voices) &&
+	       !l_empty(&poly2.note_queue);) {
 		uint8_t v = l_popr(&poly2.available_voices);
-
 		uint8_t note = l_popr(&poly2.note_queue);
-		if (note == poly2.note_queue.sup) {
-			l_pushr(&poly2.available_voices, v);
-			return;
-		}
-
 		gate_on(v);
 		pitch_set_note(v, note, 0);
 		poly2.current_note[v] = note;