I currently don't have time to act as vfio-ccw maintainer anymore,
so remove myself there.

Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Message-Id: <20211012144040.360887-2-cohuck@redhat.com>
Acked-by: Matthew Rosato <mjrosato@linux.ibm.com>
Acked-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>