Fix the ingress component for Argo. (kubeflow#93)

* Annotations need to be in metadata; this was preventing the static ip
  from being properly assigned.

* Delete the prow env since we no longer use it.

* Recreate the kubeflow-ci environment since the ip address changed.

* Fix kubeflow#92

test-infra/app.yaml

@@ -2,8 +2,8 @@ apiVersion: 0.1.0
 environments:
   kubeflow-ci:
     destination:
-      namespace: default
-      server: https://35.185.54.227
+      namespace: kubeflow-test-infra
+      server: https://35.196.213.148
     k8sVersion: v1.7.0
     path: kubeflow-ci
   lunkai-dev2:
@@ -12,12 +12,6 @@ environments:
       server: https://35.194.21.181
     k8sVersion: v1.7.0
     path: lunkai-dev2
-  prow:
-    destination:
-      namespace: kubeflow-testing
-      server: https://35.196.185.88
-    k8sVersion: v1.7.0
-    path: prow
   releasing:
     destination:
       namespace: kubeflow-releasing

test-infra/components/argo.libsonnet

@@ -188,10 +188,10 @@
       kind: "Ingress",
       metadata: {
         name: "argo-ui",
-        namespace: namespace,
-      },
-      annotations: {
-        "kubernetes.io/ingress.global-static-ip-name": "argo-ui",
+        namespace: namespace,          
+        annotations: {
+          "kubernetes.io/ingress.global-static-ip-name": "argo-ui",
+        },
       },
       spec: {
         rules: [