staging: rtl8192e: Remove unused variables rxint, ints and shints

rxint, ints and shints 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/ee6ee009d139a3da3d2c171d7ac6454271b4da9b.1674675808.git.philipp.g.hortmann@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192e/rtl8192e/rtl_core.c

@@ -2123,7 +2123,6 @@ static irqreturn_t _rtl92e_irq(int irq, void *netdev)
 	spin_lock_irqsave(&priv->irq_th_lock, flags);
 
 	priv->ops->interrupt_recognized(dev, &inta, &intb);
-	priv->stats.shints++;
 
 	if (!inta) {
 		spin_unlock_irqrestore(&priv->irq_th_lock, flags);
@@ -2135,8 +2134,6 @@ static irqreturn_t _rtl92e_irq(int irq, void *netdev)
 		goto done;
 	}
 
-	priv->stats.ints++;
-
 	if (!netif_running(dev)) {
 		spin_unlock_irqrestore(&priv->irq_th_lock, flags);
 		goto done;
@@ -2169,10 +2166,8 @@ static irqreturn_t _rtl92e_irq(int irq, void *netdev)
 	if (inta & IMR_HIGHDOK)
 		_rtl92e_tx_isr(dev, HIGH_QUEUE);
 
-	if (inta & IMR_ROK) {
-		priv->stats.rxint++;
+	if (inta & IMR_ROK)
 		tasklet_schedule(&priv->irq_rx_tasklet);
-	}
 
 	if (inta & IMR_BcnInt)
 		tasklet_schedule(&priv->irq_prepare_beacon_tasklet);

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 rxint;
-	unsigned long ints;
-	unsigned long shints;
 	unsigned long txoverflow;
 	unsigned long txbeokint;
 	unsigned long txbkokint;