staging: mt7621-pinctrl: Remove redundant owner assignment

Remove the owner assignment form the platform driver as
platform_driver_register() already initializes the owner.
Found using coccinelle.
Signed-off-by: Christian Lütke-Stetzkamp <christian@lkamp.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c

@@ -459,7 +459,6 @@ static struct platform_driver rt2880_pinmux_driver = {
 	.probe = rt2880_pinmux_probe,
 	.driver = {
 		.name = "rt2880-pinmux",
-		.owner = THIS_MODULE,
 		.of_match_table = rt2880_pinmux_match,
 	},
 };