clean up

Author: hathach

src/arduino/msc/Adafruit_USBH_MSC.cpp

@@ -62,6 +62,7 @@ bool Adafruit_USBH_MSC_BlockDevice::wait_for_io(void) {
 
 bool Adafruit_USBH_MSC_BlockDevice::_io_complete_cb(
     uint8_t dev_addr, tuh_msc_complete_data_t const *cb_data) {
+  (void) cb_data;
   if (dev_addr != _daddr) {
     // something wrong occurred, maybe device removed while transferring
     return false;
@@ -127,10 +128,4 @@ bool Adafruit_USBH_MSC_BlockDevice::writeSector(uint32_t block,
 
 #endif
 
-//--------------------------------------------------------------------+
-// MACRO TYPEDEF CONSTANT ENUM DECLARATION
-//--------------------------------------------------------------------+
-
-//------------- IMPLEMENTATION -------------//
-
 #endif