staging: unisys: remove void return from uislib_mod_exit()

Remove the extraneous return from the uislib module exit function.
Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/unisys/uislib/uislib.c

@@ -1626,7 +1626,6 @@ uislib_mod_exit(void)
 	debugfs_remove(dir_debugfs);
 
 	DBGINF("goodbye.\n");
-	return;
 }
 
 module_init(uislib_mod_init);