[Bug 1108200] remove docker-io from epel7

[Red Hat Bugzilla]

https://bugzilla.redhat.com/show_bug.cgi?id=1108200

Lokesh Mandvekar  changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |CLOSED
         Resolution|---                         |CURRENTRELEASE
        Last Closed|                            |2014-11-10 10:07:59

--- Comment #5 from Lokesh Mandvekar  ---
Done.