staging: rtl8192u: Remove defined but unused function

This patch fixes "symbol 'dm_change_rxpath_selection_setting'
was not declared. Should it be static?" sparse warning in
r8192U_dm.c After setting it as static, it causes to unused
function sparse warning, because it is not used anywhere.

Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192u/r8192U_dm.c

@@ -1810,85 +1810,6 @@ void dm_change_dynamic_initgain_thresh(struct net_device *dev, u32 dm_type,
 	}
 }	/* DM_ChangeDynamicInitGainThresh */
 
-void
-dm_change_rxpath_selection_setting(
-	struct net_device *dev,
-	s32		DM_Type,
-	s32		DM_Value)
-{
-	struct r8192_priv *priv = ieee80211_priv(dev);
-	prate_adaptive	pRA = (prate_adaptive)&(priv->rate_adaptive);
-
-
-	if(DM_Type == 0)
-	{
-		if(DM_Value > 1)
-			DM_Value = 1;
-		DM_RxPathSelTable.Enable = (u8)DM_Value;
-	}
-	else if(DM_Type == 1)
-	{
-		if(DM_Value > 1)
-			DM_Value = 1;
-		DM_RxPathSelTable.DbgMode = (u8)DM_Value;
-	}
-	else if(DM_Type == 2)
-	{
-		if(DM_Value > 40)
-			DM_Value = 40;
-		DM_RxPathSelTable.SS_TH_low = (u8)DM_Value;
-	}
-	else if(DM_Type == 3)
-	{
-		if(DM_Value > 25)
-			DM_Value = 25;
-		DM_RxPathSelTable.diff_TH = (u8)DM_Value;
-	}
-	else if(DM_Type == 4)
-	{
-		if(DM_Value >= CCK_Rx_Version_MAX)
-			DM_Value = CCK_Rx_Version_1;
-		DM_RxPathSelTable.cck_method= (u8)DM_Value;
-	}
-	else if(DM_Type == 10)
-	{
-		if(DM_Value > 100)
-			DM_Value = 50;
-		DM_RxPathSelTable.rf_rssi[0] = (u8)DM_Value;
-	}
-	else if(DM_Type == 11)
-	{
-		if(DM_Value > 100)
-			DM_Value = 50;
-		DM_RxPathSelTable.rf_rssi[1] = (u8)DM_Value;
-	}
-	else if(DM_Type == 12)
-	{
-		if(DM_Value > 100)
-			DM_Value = 50;
-		DM_RxPathSelTable.rf_rssi[2] = (u8)DM_Value;
-	}
-	else if(DM_Type == 13)
-	{
-		if(DM_Value > 100)
-			DM_Value = 50;
-		DM_RxPathSelTable.rf_rssi[3] = (u8)DM_Value;
-	}
-	else if(DM_Type == 20)
-	{
-		if(DM_Value > 1)
-			DM_Value = 1;
-		pRA->ping_rssi_enable = (u8)DM_Value;
-	}
-	else if(DM_Type == 21)
-	{
-		if(DM_Value > 30)
-			DM_Value = 30;
-		pRA->ping_rssi_thresh_for_ra = DM_Value;
-	}
-}
-
-
 /*-----------------------------------------------------------------------------
  * Function:	dm_dig_init()
  *