staging: rtl8723bs: remove unused registry and BSSID offset macros

The RGTRY_OFT, RGTRY_SZ, BSSID_OFT, and BSSID_SZ macros are defined but
never used anywhere in the driver. Remove these dead macro definitions
to clean up the code.

Signed-off-by: Navaneeth K <knavaneeth786@gmail.com>
Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://patch.msgid.link/20251125112059.16913-2-knavaneeth786@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: cyberkunju

drivers/staging/rtl8723bs/include/drv_types.h

@@ -171,13 +171,6 @@ struct registry_priv {
 	u8 hiq_filter;
 };
 
-
-/* For registry parameters */
-#define RGTRY_OFT(field) ((u32)FIELD_OFFSET(struct registry_priv, field))
-#define RGTRY_SZ(field)   sizeof(((struct registry_priv *)0)->field)
-#define BSSID_OFT(field) ((u32)FIELD_OFFSET(struct wlan_bssid_ex, field))
-#define BSSID_SZ(field)   sizeof(((struct wlan_bssid_ex *) 0)->field)
-
 #include <drv_types_sdio.h>
 
 #define GET_PRIMARY_ADAPTER(padapter) (((struct adapter *)padapter)->dvobj->if1)