fix PodPreset manifests

Update the image in PodPreset manifest to use the real image,
also removed the hard-coded namespace in manifest.

docs/tasks/inject-data-application/podpreset-allow-db-merged.yaml

@@ -10,7 +10,7 @@ metadata:
 spec:
   containers:
     - name: website
-      image: ecorp/website
+      image: nginx
       volumeMounts:
         - mountPath: /cache
           name: cache-volume

docs/tasks/inject-data-application/podpreset-allow-db.yaml

@@ -2,7 +2,6 @@ apiVersion: settings.k8s.io/v1alpha1
 kind: PodPreset
 metadata:
   name: allow-database
-  namespace: myns
 spec:
   selector:
     matchLabels:

docs/tasks/inject-data-application/podpreset-conflict-pod.yaml

@@ -8,7 +8,7 @@ metadata:
 spec:
   containers:
     - name: website
-      image: ecorp/website
+      image: nginx
       volumeMounts:
         - mountPath: /cache
           name: cache-volume

docs/tasks/inject-data-application/podpreset-conflict-preset.yaml

@@ -2,7 +2,6 @@ apiVersion: settings.k8s.io/v1alpha1
 kind: PodPreset
 metadata:
   name: allow-database
-  namespace: myns
 spec:
   selector:
     matchLabels:

docs/tasks/inject-data-application/podpreset-merged.yaml

@@ -10,7 +10,7 @@ metadata:
 spec:
   containers:
     - name: website
-      image: ecorp/website
+      image: nginx
       volumeMounts:
         - mountPath: /cache
           name: cache-volume

docs/tasks/inject-data-application/podpreset-multi-merged.yaml

@@ -11,7 +11,7 @@ metadata:
 spec:
   containers:
     - name: website
-      image: ecorp/website
+      image: nginx
       volumeMounts:
         - mountPath: /cache
           name: cache-volume

docs/tasks/inject-data-application/podpreset-pod.yaml

@@ -8,7 +8,7 @@ metadata:
 spec:
   containers:
     - name: website
-      image: ecorp/website
+      image: nginx
       ports:
         - containerPort: 80
 

docs/tasks/inject-data-application/podpreset-preset.yaml

@@ -2,7 +2,6 @@ apiVersion: settings.k8s.io/v1alpha1
 kind: PodPreset
 metadata:
   name: allow-database
-  namespace: myns
 spec:
   selector:
     matchLabels:

docs/tasks/inject-data-application/podpreset-proxy.yaml

@@ -2,7 +2,6 @@ apiVersion: settings.k8s.io/v1alpha1
 kind: PodPreset
 metadata:
   name: proxy
-  namespace: myns
 spec:
   selector:
     matchLabels: