移除android 9不支持的代码

app/src/main/java/com/xypower/mpapp/MicroPhotoService.java

@@ -819,15 +819,12 @@ public class MicroPhotoService extends Service {
         final TelephonyManager telephonyManager = (TelephonyManager) getApplicationContext().getSystemService(Context.TELEPHONY_SERVICE);
 
         SignalStrength ss = telephonyManager.getSignalStrength();
-        List<CellSignalStrength> css = ss.getCellSignalStrengths();
+        // List<CellSignalStrength> css = ss.getCellSignalStrengths();
 
         int signalLevel = ss.getLevel();
         sb.append("&J_Signal4G=" + signalLevel);
         sb.append("&J_Signal2G=" + signalLevel);
-        if (css != null && css.size() > 0) {
-
-        }
-
+        
         if (isXyPlatform) {
             sb.append("&J_CV=" + SysApi.getChargingVoltage());      // ChargeVol
             sb.append("&J_CC=" + SysApi.getChargingCurrent());     // ChargeCurrent