staging: rtl8192ee: remove unnecessary return statement

This fixes the following checkpatch.pl warning:
WARNING: void function return statements are not generally useful
Signed-off-by: NCatalina Mocanu <catalina.mocanu@gmail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192ee/regd.c

@@ -291,7 +291,6 @@ static void _rtl_reg_apply_world_flags(struct wiphy *wiphy,
 {
 	_rtl_reg_apply_beaconing_flags(wiphy, initiator);
 	_rtl_reg_apply_active_scan_flags(wiphy, initiator);
-	return;
 }
 
 static void _rtl_dump_channel_map(struct wiphy *wiphy)