staging: xgifb: Removed an unnecessary assignment statement

Used coccinelle patch
@@

expression data;
identifier f;

@@

-data =
+return
     f(...);
-return (data);
Signed-off-by: Sarah Khan <sarahjmi07@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/xgifb/vb_util.c

@@ -9,11 +9,8 @@ void xgifb_reg_set(unsigned long port, u8 index, u8 data)
 
 u8 xgifb_reg_get(unsigned long port, u8 index)
 {
-	u8 data;
-
 	outb(index, port);
-	data = inb(port + 1);
-	return data;
+	return inb(port + 1);
 }
 
 void xgifb_reg_and_or(unsigned long port, u8 index,