wl12xx: remove unused flag WL1271_FLAG_IDLE_REQUESTED

This flag is not used anymore, remove it from the list.
Signed-off-by: NLuciano Coelho <coelho@ti.com>

drivers/net/wireless/wl12xx/wl12xx.h

@@ -351,7 +351,6 @@ enum wl12xx_flags {
 	WL1271_FLAG_PSM_REQUESTED,
 	WL1271_FLAG_IRQ_RUNNING,
 	WL1271_FLAG_IDLE,
-	WL1271_FLAG_IDLE_REQUESTED,
 	WL1271_FLAG_PSPOLL_FAILURE,
 	WL1271_FLAG_STA_STATE_SENT,
 	WL1271_FLAG_FW_TX_BUSY,