Clean up dockershim in tests

Signed-off-by: Ciprian Hacman <ciprian@hakman.dev>

test/e2e_node/restart_test.go

@@ -84,10 +84,6 @@ var _ = SIGDescribe("Restart [Serial] [Slow] [Disruptive]", func() {
 	ginkgo.Context("Container Runtime", func() {
 		ginkgo.Context("Network", func() {
 			ginkgo.It("should recover from ip leak", func() {
-				if framework.TestContext.ContainerRuntime == "docker" {
-					ginkgo.Skip("Test fails with in-tree docker. Skipping test.")
-				}
-
 				pods := newTestPods(podCount, false, imageutils.GetPauseImageName(), "restart-container-runtime-test")
 				ginkgo.By(fmt.Sprintf("Trying to create %d pods on node", len(pods)))
 				createBatchPodWithRateControl(f, pods, podCreationInterval)