staging: winbond/mto.c: remove unused variables

They are unused since commit a22517fe:

    Staging: w35und: remove dead code from mto.c
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Acked-by: Pekka Enberg <penberg@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/winbond/mto.c

@@ -40,14 +40,9 @@ static u8 MTO_Data_Rate_Tbl[MTO_MAX_DATA_RATE_LEVELS] = {
 	2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108
 };
 
-static int TotalTxPkt;
-static int TotalTxPktRetry;
 /* this record the retry rate at different data rate */
 static int retryrate_rec[MTO_MAX_DATA_RATE_LEVELS];
 
-static int PeriodTotalTxPkt;
-static int PeriodTotalTxPktRetry;
-
 static u8 boSparseTxTraffic;
 
 void MTO_Init(struct wbsoft_priv *adapter);
@@ -174,9 +169,4 @@ void MTO_SetTxCount(struct wbsoft_priv *adapter, u8 tx_rate, u8 index)
 		MTO_HAL()->dto_tx_retry_count += index;
 		MTO_HAL()->dto_tx_frag_count += (index + 1);
 	}
-	TotalTxPkt++;
-	TotalTxPktRetry += (index + 1);
-
-	PeriodTotalTxPkt++;
-	PeriodTotalTxPktRetry += (index + 1);
 }