staging: brcm80211: remove unused sdtxlock from fullmac

Unused sdtx lock functions are removed from dhd_linux.c

Signed-off-by: Franky Lin <frankyl@broadcom.com>
Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/brcm80211/brcmfmac/dhd.h

@@ -988,8 +988,6 @@ extern int write_to_file(dhd_pub_t *dhd, u8 *buf, int size);
 #if defined(OOB_INTR_ONLY)
 extern int dhd_customer_oob_irq_map(unsigned long *irq_flags_ptr);
 #endif				/* defined(OOB_INTR_ONLY) */
-extern void dhd_os_sdtxlock(dhd_pub_t *pub);
-extern void dhd_os_sdtxunlock(dhd_pub_t *pub);
 
 int setScheduler(struct task_struct *p, int policy, struct sched_param *param);
 

drivers/staging/brcm80211/brcmfmac/dhd_linux.c

@@ -2603,16 +2603,6 @@ void dhd_os_sdunlock_rxq(dhd_pub_t *pub)
 {
 }
 
-void dhd_os_sdtxlock(dhd_pub_t *pub)
-{
-	dhd_os_sdlock(pub);
-}
-
-void dhd_os_sdtxunlock(dhd_pub_t *pub)
-{
-	dhd_os_sdunlock(pub);
-}
-
 static int
 dhd_wl_host_event(dhd_info_t *dhd, int *ifidx, void *pktdata,
 		  wl_event_msg_t *event, void **data)