usb: gadget: udc: gr_udc: remove bind/unbind messages

now that we provide generic register/unregister
debugging messages from udc-core, we can remove
the same messages from this driver.

Signed-off-by: Felipe Balbi <balbi@ti.com>

drivers/usb/gadget/udc/gr_udc.c

@@ -1932,9 +1932,6 @@ static int gr_udc_start(struct usb_gadget *gadget,
 
 	spin_unlock(&dev->lock);
 
-	dev_info(dev->dev, "Started with gadget driver '%s'\n",
-		 driver->driver.name);
-
 	return 0;
 }
 
@@ -1951,8 +1948,6 @@ static int gr_udc_stop(struct usb_gadget *gadget,
 
 	spin_unlock_irqrestore(&dev->lock, flags);
 
-	dev_info(dev->dev, "Stopped\n");
-
 	return 0;
 }