staging: rtl8192e: Remove HTIOTActIsDisableMCSTwoSpatialStream()

Remove HTIOTActIsDisableMCSTwoSpatialStream() as it always returns false
which leads to one evaluation that is always false. Remove dead code.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/a446837ff1107c81f52d3cf9e727d6ef4e2678af.1698295861.git.philipp.g.hortmann@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: Philipp Hortmann

drivers/staging/rtl8192e/rtl819x_HTProc.c

@@ -207,11 +207,6 @@ static void HTIOTPeerDetermine(struct rtllib_device *ieee)
 	netdev_dbg(ieee->dev, "IOTPEER: %x\n", ht_info->IOTPeer);
 }
 
-static bool HTIOTActIsDisableMCSTwoSpatialStream(struct rtllib_device *ieee)
-{
-	return false;
-}
-
 static u8 HTIOTActIsDisableEDCATurbo(struct rtllib_device *ieee,
 				     u8 *PeerMacAddr)
 {
@@ -686,10 +681,6 @@ void HTResetSelfAndSavePeerSetting(struct rtllib_device *ieee,
 		HTIOTPeerDetermine(ieee);
 
 		ht_info->iot_action = 0;
-		bIOTAction = HTIOTActIsDisableMCSTwoSpatialStream(ieee);
-		if (bIOTAction)
-			ht_info->iot_action |= HT_IOT_ACT_DISABLE_ALL_2SS;
-
 		bIOTAction = HTIOTActIsDisableEDCATurbo(ieee, pNetwork->bssid);
 		if (bIOTAction)
 			ht_info->iot_action |= HT_IOT_ACT_DISABLE_EDCA_TURBO;