This is the command git-annex-rmurl that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
git-annex-rmurl - record file is not available at url
git annex rmurl file url
Record that the file is no longer available at the url.
Use git-annex-rmurl online using onworks.net services