phy: hisilicon: hi6220-usb: drop unused module alias

The driver has never supported anything but OF probe so drop the unused
platform module alias.

Signed-off-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20250724154823.15998-5-johan@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>

Author: jhovold

drivers/phy/hisilicon/phy-hi6220-usb.c

@@ -161,5 +161,4 @@ static struct platform_driver hi6220_phy_driver = {
 module_platform_driver(hi6220_phy_driver);
 
 MODULE_DESCRIPTION("HISILICON HI6220 USB PHY driver");
-MODULE_ALIAS("platform:hi6220-usb-phy");
 MODULE_LICENSE("GPL");