brcmfmac: remove unused event related definitions

The driver had some global definitions in dhd.h to map event
identifiers to event names. With redesign of firmware event
processing this has all moved to fweh module so these definitions
can be removed.
Reviewed-by: NPieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: NHante Meuleman <meuleman@broadcom.com>
Signed-off-by: NArend van Spriel <arend@broadcom.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/brcm80211/brcmfmac/dhd.h

@@ -520,11 +520,6 @@ struct brcmf_pub {
 #endif
 };
 
-struct bcmevent_name {
-	uint event;
-	const char *name;
-};
-
 struct brcmf_if_event {
 	u8 ifidx;
 	u8 action;
@@ -564,8 +559,6 @@ static inline s32 brcmf_ndev_bssidx(struct net_device *ndev)
 	return ifp->bssidx;
 }
 
-extern const struct bcmevent_name bcmevent_names[];
-
 extern int brcmf_netdev_wait_pend8021x(struct net_device *ndev);
 
 /* Return pointer to interface name */