Commit
a78f5ffb5361a3bcc64b8ca5420e2e9f1ced4076
by Lucas KoehlerTCI - Remove deleted project from all affected roles
So far this was only done for user's project admin roles.
This commit also reader and writer roles and covers groups in addition
to users.
Signed-off-by: Lucas Koehler <lkoehler@eclipsesource.com>