platform/x86: intel-hid: remove redundant set_bit() call

Remove redundant set_bit() call for KEY_RFKILL as it is already made by
sparse_keymap_setup() due to KEY_RFKILL being assigned to event code 8
in intel_hid_keymap.

Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-and-tested-by: Alex Hung <alex.hung@canonical.com>

drivers/platform/x86/intel-hid.c

@@ -155,7 +155,6 @@ static int intel_hid_input_setup(struct platform_device *device)
 	priv->input_dev->dev.parent = &device->dev;
 	priv->input_dev->name = "Intel HID events";
 	priv->input_dev->id.bustype = BUS_HOST;
-	set_bit(KEY_RFKILL, priv->input_dev->keybit);
 
 	return input_register_device(priv->input_dev);
 }