The latest version of Delete Duplicate Posts has just been commited to the WordPress repository a few minutes ago and should appear in the update plugin list on your blog very soon.
My recent update of the Delete Duplicate Posts plugin got great general feedback, but a few users noticed I forgot to include the option to remove the footer link.
The new version of Delete Duplicate Posts re-introduces just that feature. The link back to cleverplugins.com is automatically added when you first activate the plugin, but can be turned off in the configuration page of the plugin.
= 2.2.1 =
This WordPress plugin is free to use, and is hosted on WordPress.com Plugin Repository. Go here to download the latest version: