You can run below script as root. It disables all traces of Attracta from the server.

/scripts/attracta/uninstall-attracta is a symlink to /usr/local/cpanel/3rdparty/attracta/scripts/uninstall-attracta in newer versions. In older versions, you'll need to use the /u/l/c location.

As there are a number of different components to the Attracta integration, it's definitely recommended to use the uninstall-attracta script to ensure everything is cleaned up fully.