usb: gadget: udc: lpc32xx: remove unnecessary NULL check

debugfs_remove() is safe against NULL pointers, so
let's remove the unnecessary NULL check before
calling it.
Acked-by: Peter Chen <peter.chen@freeescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

drivers/usb/gadget/udc/lpc32xx_udc.c

@@ -582,7 +582,6 @@ static void create_debug_file(struct lpc32xx_udc *udc)
 
 static void remove_debug_file(struct lpc32xx_udc *udc)
 {
-	if (udc->pde)
 	debugfs_remove(udc->pde);
 }