Remove useless class from Capacity
Summary:
- Fetch SimplePie from composer
- Simplify cron job script
- Remove not used class
This change will require that we move the capacity websites to php7
Reviewers: Sysadmin, bcooksley
Reviewed By: Sysadmin, bcooksley
Subscribers: bcooksley
Maniphest Tasks: T11299
Differential Revision: https://phabricator.kde.org/D25087