Calibre removed

[alciregi (Alessio)]

Calibre is now in the testing repository.
https://bodhi.fedoraproject.org/updates/FEDORA-2019-a4aa28b798

See https://fedoraproject.org/wiki/QA:Updates_Testing for
instructions on how to install test updates.

• https://discussion.fedoraproject.org/t/how-can-i-test-updates-and-provide-karma/61065/2