Rover: move sending of battery data up

APMrover2/GCS_Mavlink.cpp

@@ -388,9 +388,6 @@ bool GCS_MAVLINK_Rover::try_send_message(enum ap_message id)
         rover.send_fence_status(chan);
         break;
 
-    case MSG_BATTERY2:
-        CHECK_PAYLOAD_SIZE(BATTERY2);
-        send_battery2(rover.battery);
         break;
 
     case MSG_EKF_STATUS_REPORT:
@@ -405,10 +402,6 @@ bool GCS_MAVLINK_Rover::try_send_message(enum ap_message id)
         rover.send_pid_tuning(chan);
         break;
 
-    case MSG_BATTERY_STATUS:
-        send_battery_status(rover.battery);
-        break;
-
     default:
         return GCS_MAVLINK::try_send_message(id);
     }