Staging: unisys: visorinput: Remove unused code

Remove the code which is not used anywhere in the program.
Semantic patch used:

@@
type T;
identifier i;
constant C;
position p != e.p;
@@

- T i@p;
  <+... when != i
- i = C;
  ...+>
Signed-off-by: Shivani Bhardwaj <shivanib134@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/unisys/visorinput/visorinput.c

@@ -461,20 +461,16 @@ handle_locking_key(struct input_dev *visorinput_dev,
 		   int keycode, int desired_state)
 {
 	int led;
-	char *sled;
 
 	switch (keycode) {
 	case KEY_CAPSLOCK:
 		led = LED_CAPSL;
-		sled = "CAP";
 		break;
 	case KEY_SCROLLLOCK:
 		led = LED_SCROLLL;
-		sled = "SCR";
 		break;
 	case KEY_NUMLOCK:
 		led = LED_NUML;
-		sled = "NUM";
 		break;
 	default:
 		led = -1;