realtek: eth: rtl960x: remove static asserts of descriptors

These asserts seem to be unnecessary as in all normal build cases the u32
is 4 bytes making rtl960x_rx_desc to be size of 16 and rtl960x_tx_desc
size of 20.

Signed-off-by: Rustam Adilov <adilov@tutamail.com>
Link: https://github.com/openwrt/openwrt/pull/25042
Signed-off-by: Markus Stockhausen <markus.stockhausen@gmx.de>

target/linux/realtek/files-6.18/drivers/net/ethernet/realtek/rtl960x_gmac.c

@@ -63,10 +63,6 @@
 
 #define RTL960X_GMAC_REGS_DUMP_LEN	0x100
 
-/* The ring strides are the HW descriptor sizes; guard the layout. */
-static_assert(sizeof(struct rtl960x_rx_desc) == 16);
-static_assert(sizeof(struct rtl960x_tx_desc) == 20);
-
 struct rtl960x_gmac {
 	struct net_device *dev;
 	struct device *dma_dev;