integrate with latest api change

Author: richardwxn

cmd/mesh/testdata/manifest-generate/input/ingressgateway_k8s_settings.yaml

@@ -1,32 +1,27 @@
-apiVersion: install.istio.io/v1alpha2
-kind: IstioControlPlane
+apiVersion: install.istio.io/v1alpha1
+kind: IstioOperator
 spec:
-  hub: docker.io/istio
-  tag: 1.1.4
-  defaultNamespace: istio-control
-  trafficManagement:
-    enabled: false
-  policy:
-    enabled: false
-  security:
-    enabled: false
-  configManagement:
-    enabled: false
-  autoInjection:
-    enabled: false
-  gateways:
-    enabled: true
-    components:
-      ingressGateway:
-        enabled: true
-        k8s:
-          service:
-            externalTrafficPolicy: Local
-            ports:
-            - name: foo
-              port: 1234
-              targetPort: 1234
-
-
-  telemetry:
-    enabled: false
+  components:
+    pilot:
+      enabled: false
+    policy:
+      enabled: false
+    citadel:
+      enabled: false
+    galley:
+      enabled: false
+    sidecarInjector:
+      enabled: false
+    ingressGateways:
+    - namespace: istio-system
+      name: istio-ingressgateway
+      enabled: true
+      k8s:
+        service:
+          externalTrafficPolicy: Local
+          ports:
+          - name: foo
+            port: 1234
+#            targetPort: 1234
+    telemetry:
+      enabled: false