wifi: rtlwifi: Remove unused structs and avoid multiple -Wfamnae warnings

Wflex-array-member-not-at-end is coming in GCC-14, and we are getting
ready to enable it globally.

So, remove unused structs and fix the following
-Wflex-array-member-not-at-end warnings:

drivers/net/wireless/realtek/rtlwifi/btcoexist/../wifi.h:1063:30: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
drivers/net/wireless/realtek/rtlwifi/rtl8188ee/../wifi.h:1063:30: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
drivers/net/wireless/realtek/rtlwifi/rtl8192c/../wifi.h:1063:30: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
drivers/net/wireless/realtek/rtlwifi/rtl8192ce/../wifi.h:1063:30: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
drivers/net/wireless/realtek/rtlwifi/rtl8192cu/../wifi.h:1063:30: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
drivers/net/wireless/realtek/rtlwifi/rtl8192de/../wifi.h:1063:30: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
drivers/net/wireless/realtek/rtlwifi/rtl8192ee/../wifi.h:1063:30: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
drivers/net/wireless/realtek/rtlwifi/rtl8192se/../wifi.h:1063:30: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
drivers/net/wireless/realtek/rtlwifi/rtl8723ae/../wifi.h:1063:30: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
drivers/net/wireless/realtek/rtlwifi/rtl8723be/../wifi.h:1063:30: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
drivers/net/wireless/realtek/rtlwifi/rtl8723com/../wifi.h:1063:30: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
drivers/net/wireless/realtek/rtlwifi/rtl8821ae/../wifi.h:1063:30: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
drivers/net/wireless/realtek/rtlwifi/wifi.h:1063:30: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]

Signed-off-by: Gustavo A. R. Silva <[email protected]>
Reviewed-by: Kees Cook <[email protected]>
Acked-by: Ping-Ke Shih <[email protected]>
Signed-off-by: Ping-Ke Shih <[email protected]>
Link: https://msgid.link/ZjLFIa31BGPVCGh1@neat

Author: GustavoARSilva

drivers/net/wireless/realtek/rtlwifi/wifi.h

@@ -1048,33 +1048,6 @@ struct octet_string {
 	u16 length;
 };
 
-struct rtl_hdr_3addr {
-	__le16 frame_ctl;
-	__le16 duration_id;
-	u8 addr1[ETH_ALEN];
-	u8 addr2[ETH_ALEN];
-	u8 addr3[ETH_ALEN];
-	__le16 seq_ctl;
-	u8 payload[];
-} __packed;
-
-struct rtl_info_element {
-	u8 id;
-	u8 len;
-	u8 data[];
-} __packed;
-
-struct rtl_probe_rsp {
-	struct rtl_hdr_3addr header;
-	u32 time_stamp[2];
-	__le16 beacon_interval;
-	__le16 capability;
-	/*SSID, supported rates, FH params, DS params,
-	 * CF params, IBSS params, TIM (if beacon), RSN
-	 */
-	struct rtl_info_element info_element[];
-} __packed;
-
 struct rtl_led_ctl {
 	bool led_opendrain;
 	enum rtl_led_pin sw_led0;