staging: brcm80211: remove declaration of unused string array

The constant array declaration aci_names is not referenced
anywhere in the code so it has been removed.
Reviewed-by: Brett Rudley <brudley@broadcom.com>
Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/brcm80211/brcmsmac/wlc_mac80211.c

@@ -221,7 +221,6 @@ static bool in_send_q = false;
 #ifdef BCMDBG
 static const char *fifo_names[] = {
 	"AC_BK", "AC_BE", "AC_VI", "AC_VO", "BCMC", "ATIM" };
-const char *aci_names[] = { "AC_BE", "AC_BK", "AC_VI", "AC_VO" };
 #else
 static const char fifo_names[6][0];
 #endif