connection: De-duplicate ui and cli version logging

Remove the open coded version logging in cli.py and virt-manager
connection.py, and move it into virtinst connection open

Signed-off-by: Cole Robinson <crobinso@redhat.com>

virtManager/connection.py

@@ -950,11 +950,6 @@ class vmmConnection(vmmGObject):
         return False, ConnectError
 
     def _populate_initial_state(self):
-        log.debug("libvirt version=%s", self._backend.local_libvirt_version())
-        log.debug("daemon version=%s", self._backend.daemon_version())
-        log.debug("conn version=%s", self._backend.conn_version())
-        log.debug("%s capabilities:\n%s", self.get_uri(), self.caps.get_xml())
-
         if not self.support.conn_domain():  # pragma: no cover
             raise RuntimeError("Connection does not support required "
                     "domain listing APIs")