Remove leaveRunning from swagger restore endpoint

The restore action does not support leaveRunning as argument.

[NO NEW TESTS NEEDED]

Signed-off-by: Jelle van der Waa <jvanderwaa@redhat.com>

pkg/api/server/register_containers.go

@@ -1489,10 +1489,6 @@ func (s *APIServer) registerContainersHandlers(r *mux.Router) error {
 	//    type: boolean
 	//    description: keep all temporary checkpoint files
 	//  - in: query
-	//    name: leaveRunning
-	//    type: boolean
-	//    description: leave the container running after writing checkpoint to disk
-	//  - in: query
 	//    name: tcpEstablished
 	//    type: boolean
 	//    description: checkpoint a container with established TCP connections