Cloud Build: Remove useless files.

images/custom-error-pages/README.md

@@ -1,3 +0,0 @@
-# custom-error-pages
-
-Example of Custom error pages for the Ingress-Nginx Controller

images/nginx/rc.yaml

@@ -1,44 +0,0 @@
-apiVersion: v1
-kind: Service
-metadata:
-  name: nginx
-  labels:
-    app.kubernetes.io/name: ingress-nginx
-    app.kubernetes.io/part-of: ingress-nginx
-spec:
-  type: NodePort
-  ports:
-    - port: 80
-      protocol: TCP
-      name: http
-    - port: 443
-      protocol: TCP
-      name: https
-  selector:
-    app.kubernetes.io/name: ingress-nginx
-    app.kubernetes.io/part-of: ingress-nginx
----
-apiVersion: v1
-kind: ReplicationController
-metadata:
-  name: nginx
-  labels:
-    app.kubernetes.io/name: ingress-nginx
-    app.kubernetes.io/part-of: ingress-nginx
-spec:
-  replicas: 1
-  selector:
-    app.kubernetes.io/name: ingress-nginx
-    app.kubernetes.io/part-of: ingress-nginx
-  template:
-    metadata:
-      labels:
-        app.kubernetes.io/name: ingress-nginx
-        app.kubernetes.io/part-of: ingress-nginx
-    spec:
-      containers:
-        - name: nginx
-          image: registry.k8s.io/ingress-nginx/nginx:c5766dc011965f22fac2f4437e86d0fd9960a50c@sha256:94ff9b435a5f3f4570bbdaed4a3a523f63a54ce2ad6b132b5640bae2af5d9d90
-          ports:
-            - containerPort: 80
-            - containerPort: 443

images/opentelemetry/README.md

@@ -1,5 +0,0 @@
-# OpenTelemetry library builder
-
-**How to use this image:**
-This image only contains the necessary files in /usr/local and /etc/nginx/opentelemetry to 
-be copied to Ingress Controller deployment when OpenTelemetry is enabled