remove ig-megamenu from plugin directory

git-svn-id: https://plugins.svn.wordpress.org/ig-megamenu/trunk@985222 b8457f37-d9ea-0310-8a92-e5e31aec5664
remove ig-megamenu from plugin directory

git-svn-id: https://plugins.svn.wordpress.org/ig-megamenu/trunk@985224 b8457f37-d9ea-0310-8a92-e5e31aec5664