remove test_usb_device.cpp file not used

cores/validation/validation_usb_device/build_as6/test.cppproj

@@ -480,8 +480,9 @@
       <SubType>compile</SubType>
       <Link>core\WVariant.h</Link>
     </Compile>
-    <Compile Include="test_usb_device.cpp">
+    <Compile Include="C:\jcb\support\arduino\ArduinoZero\hardware\arduino\samd\cores\validation\validation_usb_device\test_usb_device.cpp">
       <SubType>compile</SubType>
+      <Link>test_usb_device.cpp</Link>
     </Compile>
   </ItemGroup>
   <Import Project="$(AVRSTUDIO_EXE_PATH)\\Vs\\Compiler.targets" />

cores/validation/validation_usb_device/build_as6/test_usb_device.cpp

-/*
-  Copyright (c) 2012 Arduino.  All right reserved.
-
-  This library is free software; you can redistribute it and/or
-  modify it under the terms of the GNU Lesser General Public
-  License as published by the Free Software Foundation; either
-  version 2.1 of the License, or (at your option) any later version.
-
-  This library is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-  See the GNU Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public
-  License along with this library; if not, write to the Free Software
-  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
-*/
-
-#define ARDUINO_MAIN
-#include "Arduino.h" 
-
-#ifdef HID_ENABLED
-	const int buttonPin = 4;          // input pin for pushbutton
-	int previousButtonState = HIGH;   // for checking the state of a pushButton
-	int counter = 0;                  // button push counter
-#endif
-
-void setup(void)
-{	
-	USBDevice.init();
-	
-    USBDevice.attach();
-
-#ifdef HID_ENABLED
-	Mouse.begin();
-
-	// make the pushButton pin an input:
-	pinMode(buttonPin, INPUT);
-	// initialize control over the keyboard:
-	Keyboard.begin();
-#endif
-
-#ifdef CDC_ENABLED
-	SerialUSB.begin(115200);
-#endif
-}
-
-
-void loop(void)
-{
-#ifdef HID_ENABLED
-	Mouse.move(1, 0, 0);
-
-	// read the pushbutton:
-	int buttonState = digitalRead(buttonPin);
-	// if the button state has changed, and it's currently pressed:
-	if ((buttonState != previousButtonState) && (buttonState == HIGH))
-	{
-		// increment the button counter
-		counter++;
-		// type out a message
-		Keyboard.print("You pressed the button ");
-		Keyboard.print(counter);
-		Keyboard.println(" times.");
-	}
-	// save the current button state for comparison next time:
-	previousButtonState = buttonState;
-#endif
-
-#ifdef CDC_ENABLED
-	if (SerialUSB.available() > 0)
-	{
-		char inChar;
-		while( -1 == (inChar = SerialUSB.read()));
-		SerialUSB.print(inChar);
-	}
-
-	delay(10);
-#endif
-}
-