[SYS] Remove unnecessaries ESP8266 ESP32 macros (#1931)

main/ZcommonRF.ino

@@ -71,32 +71,30 @@ bool validFrequency(float mhz) {
 int currentReceiver = ACTIVE_NONE;
 
 #  if !defined(ZgatewayRFM69) && !defined(ZactuatorSomfy)
-#    if defined(ESP8266) || defined(ESP32)
 // Check if a receiver is available
 bool validReceiver(int receiver) {
   switch (receiver) {
-#      ifdef ZgatewayPilight
+#    ifdef ZgatewayPilight
     case ACTIVE_PILIGHT:
       return true;
-#      endif
-#      ifdef ZgatewayRF
+#    endif
+#    ifdef ZgatewayRF
     case ACTIVE_RF:
       return true;
-#      endif
-#      ifdef ZgatewayRTL_433
+#    endif
+#    ifdef ZgatewayRTL_433
     case ACTIVE_RTL:
       return true;
-#      endif
-#      ifdef ZgatewayRF2
+#    endif
+#    ifdef ZgatewayRF2
     case ACTIVE_RF2:
       return true;
-#      endif
+#    endif
     default:
       Log.error(F("ERROR: stored receiver %d not available" CR), receiver);
   }
   return false;
 }
-#    endif
 #  endif
 
 void disableCurrentReceiver() {