platform/x86: toshiba-wmi: remove sparse_keymap_free() calls

As sparse_keymap_setup() now uses a managed memory allocation for the
keymap copy it creates, the latter is freed automatically.  Remove all
calls to sparse_keymap_free().
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

drivers/platform/x86/toshiba-wmi.c

@@ -96,7 +96,7 @@ static int __init toshiba_wmi_input_setup(void)
 					    toshiba_wmi_notify, NULL);
 	if (ACPI_FAILURE(status)) {
 		err = -EIO;
-		goto err_free_keymap;
+		goto err_free_dev;
 	}
 
 	err = input_register_device(toshiba_wmi_input_dev);
@@ -107,8 +107,6 @@ static int __init toshiba_wmi_input_setup(void)
 
  err_remove_notifier:
 	wmi_remove_notify_handler(WMI_EVENT_GUID);
- err_free_keymap:
-	sparse_keymap_free(toshiba_wmi_input_dev);
  err_free_dev:
 	input_free_device(toshiba_wmi_input_dev);
 	return err;
@@ -117,7 +115,6 @@ static int __init toshiba_wmi_input_setup(void)
 static void toshiba_wmi_input_destroy(void)
 {
 	wmi_remove_notify_handler(WMI_EVENT_GUID);
-	sparse_keymap_free(toshiba_wmi_input_dev);
 	input_unregister_device(toshiba_wmi_input_dev);
 }