Sub: move handling of MAV_CMD_DO_SET_FENCE_ENABLED up

ArduSub/GCS_Mavlink.cpp

@@ -763,21 +763,6 @@ MAV_RESULT GCS_MAVLINK_Sub::handle_command_long_packet(const mavlink_command_lon
         }
         return MAV_RESULT_FAILED;
 
-#if AC_FENCE == ENABLED
-    case MAV_CMD_DO_FENCE_ENABLE:
-        switch ((uint16_t)packet.param1) {
-        case 0:
-            sub.fence.enable(false);
-            return MAV_RESULT_ACCEPTED;
-        case 1:
-            sub.fence.enable(true);
-            return MAV_RESULT_ACCEPTED;
-        default:
-            break;
-        }
-        return MAV_RESULT_FAILED;
-#endif
-
     case MAV_CMD_DO_MOTOR_TEST:
         // param1 : motor sequence number (a number from 1 to max number of motors on the vehicle)
         // param2 : throttle type (0=throttle percentage, 1=PWM, 2=pilot throttle channel pass-through. See MOTOR_TEST_THROTTLE_TYPE enum)