net: macb: Remove duplicate linux/inetdevice.h header

net: macb: Remove duplicate linux/inetdevice.h header

./drivers/net/ethernet/cadence/macb_main.c: linux/inetdevice.h is included more than once.

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=26474
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://patch.msgid.link/20251020014441.2070356-1-jiapeng.chong@linux.alibaba.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>