staging: rtl8192e: Remove unused variables txviok.., txvook.. and txbea..

txviokint, txvookint and txbeaconokint are initialized and increased but
never read. Remove dead code.
Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/c45501eee5fbf2cc3e5ad999bbbe8e071e341a2c.1674675808.git.philipp.g.hortmann@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192e/rtl8192e/rtl_core.c

@@ -2139,9 +2139,6 @@ static irqreturn_t _rtl92e_irq(int irq, void *netdev)
 		goto done;
 	}
 
-	if (inta & IMR_TBDOK)
-		priv->stats.txbeaconokint++;
-
 	if (inta & IMR_TBDER)
 		priv->stats.txbeaconerr++;
 
@@ -2192,13 +2189,11 @@ static irqreturn_t _rtl92e_irq(int irq, void *netdev)
 	}
 
 	if (inta & IMR_VIDOK) {
-		priv->stats.txviokint++;
 		priv->rtllib->link_detect_info.NumTxOkInPeriod++;
 		_rtl92e_tx_isr(dev, VI_QUEUE);
 	}
 
 	if (inta & IMR_VODOK) {
-		priv->stats.txvookint++;
 		priv->rtllib->link_detect_info.NumTxOkInPeriod++;
 		_rtl92e_tx_isr(dev, VO_QUEUE);
 	}

drivers/staging/rtl8192e/rtl8192e/rtl_core.h

@@ -184,9 +184,6 @@ enum reset_type {
 
 struct rt_stats {
 	unsigned long received_rate_histogram[4][32];
-	unsigned long txviokint;
-	unsigned long txvookint;
-	unsigned long txbeaconokint;
 	unsigned long txbeaconerr;
 	unsigned long txmanageokint;
 	unsigned long txcmdpktokint;