AP_BLHeli: minor formatting fixes

libraries/AP_BLHeli/AP_BLHeli.cpp

@@ -464,7 +464,6 @@ void AP_BLHeli::msp_process_command(void)
     }
 }
 
-
 /*
   send a blheli 4way protocol reply
  */
@@ -1116,7 +1115,6 @@ bool AP_BLHeli::protocol_handler(uint8_t b, AP_HAL::UARTDriver *_uart)
     return process_input(b);
 }
 
-
 /*
   run a connection test to the ESCs. This is used to test the
   operation of the BLHeli ESC protocol
@@ -1434,7 +1432,6 @@ void AP_BLHeli::update_telemetry(void)
     }
 }
 
-
 /*
   send ESC telemetry messages over MAVLink
  */