staging: rtl8723au: ioctl_cfg80211.c: Rip out < 3.14 kernel support

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723au/os_dep/ioctl_cfg80211.c

@@ -3185,15 +3185,7 @@ static int _cfg80211_rtw_mgmt_tx(struct rtw_adapter *padapter, u8 tx_ch,
 }
 
 static int cfg80211_rtw_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0))
-				struct ieee80211_channel *chan,
-				bool offchan,
-				unsigned int wait,
-				const u8 *buf, size_t len,
-				bool no_cck, bool dont_wait_for_ack,
-#else
 				struct cfg80211_mgmt_tx_params *params,
-#endif
 				u64 *cookie)
 {
 	struct rtw_adapter *padapter =
@@ -3205,11 +3197,9 @@ static int cfg80211_rtw_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
 	bool ack = true;
 	u8 category, action;
 	unsigned long start = jiffies;
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0))
 	size_t len = params->len;
 	struct ieee80211_channel *chan = params->chan;
 	const u8 *buf = params->buf;
-#endif
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)buf;
 	u8 tx_ch = (u8) ieee80211_frequency_to_channel(chan->center_freq);