cleanup unused dashboard function

git-svn-id: https://plugins.svn.wordpress.org/gwolle-gb/trunk@1047593 b8457f37-d9ea-0310-8a92-e5e31aec5664
Start of the dashboard widget

git-svn-id: https://plugins.svn.wordpress.org/gwolle-gb/trunk@1047597 b8457f37-d9ea-0310-8a92-e5e31aec5664