Kill gvproxy when machine rm -f

In applehv, we were not killing gvproxy when stopping via podman machine rm with force.

[NO NEW TESTS NEEDED]

Signed-off-by: Brent Baude <bbaude@redhat.com>

pkg/machine/applehv/machine.go

@@ -397,6 +397,11 @@ func (m *MacMachine) Remove(name string, opts machine.RemoveOptions) (string, fu
 		if err := m.Vfkit.stop(true, true); err != nil {
 			return "", nil, err
 		}
+		defer func() {
+			if err := machine.CleanupGVProxy(m.GvProxyPid); err != nil {
+				logrus.Error(err)
+			}
+		}()
 	}
 
 	files = m.collectFilesToDestroy(opts)