staging: gasket: remove gasket_exit()

Remove now-empty gasket_exit() function.
Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/gasket/gasket_core.c

@@ -1801,12 +1801,8 @@ static int __init gasket_init(void)
 	return 0;
 }
 
-static void __exit gasket_exit(void)
-{
-}
 MODULE_DESCRIPTION("Google Gasket driver framework");
 MODULE_VERSION(GASKET_FRAMEWORK_VERSION);
 MODULE_LICENSE("GPL v2");
 MODULE_AUTHOR("Rob Springer <rspringer@google.com>");
 module_init(gasket_init);
-module_exit(gasket_exit);