delete plugin

git-svn-id: https://plugins.svn.wordpress.org/smart-map/trunk@1056384 b8457f37-d9ea-0310-8a92-e5e31aec5664
changed readme

git-svn-id: https://plugins.svn.wordpress.org/smart-map/trunk@1056386 b8457f37-d9ea-0310-8a92-e5e31aec5664