Install python routes package as a dependancy rather than directly
Install python routes package as a dependancy rather than directly

This is now a dependancy of ceph-mgr so will be installed automatically
and does not need a specific task.

This change means that ceph-mgr installs correctly on Ubuntu Focal where
the python3-routes package is necessary.

Signed-off-by: Jonathan Rosser <378e237ab6cd5e7e1fe180a455afa2db0ec7734e@rd.bbc.co.uk>

ceph/ceph-ansible,ceph/ceph-ansible