Fix static URL conformance test

1. /validate service does not exist, so remove the test for it and add some that actually do exist
2. The namespace does not exist so this will always return NotFound

Note: DoRaw() ignores the StatusCode.
This is in preparation for the next commit

test/e2e/networking.go

@@ -59,14 +59,18 @@ var _ = framework.KubeDescribe("Networking", func() {
 		tests := []struct {
 			path string
 		}{
-			{path: "/validate"},
 			{path: "/healthz"},
+			{path: "/api"},
+			{path: "/apis"},
+			{path: "/logs"},
+			{path: "/metrics"},
+			{path: "/swaggerapi"},
+			{path: "/version"},
 			// TODO: test proxy links here
 		}
 		for _, test := range tests {
 			By(fmt.Sprintf("testing: %s", test.path))
 			data, err := f.Client.RESTClient.Get().
-				Namespace(f.Namespace.Name).
 				AbsPath(test.path).
 				DoRaw()
 			if err != nil {