Cloud Build: Some chores. (#11757)

* Cloud Build: Remove comment.

* Cloud Build: Add newlines at EOF.

* Cloud Build: Align comment.

* Cloud Build: Remove trailing slash.

* Cloud Build: Remove quotes.

* Cloud Build: Align indentation.

* Cloud Build: Improve quotes.

* Cloud Build: Put arguments in one line.

* Cloud Build: Bump image.

* Cloud Build: Reorder entrypoint.

* Cloud Build: Adjust timeouts.

* Cloud Build: Remove useless files.

* Cloud Build: Remove `substitution_option`.

---------

Co-authored-by: Marco Ebert <marco_ebert@icloud.com>

images/nginx/cloudbuild.yaml

@@ -1,17 +1,12 @@
-timeout: 10800s
 options:
-  substitution_option: ALLOW_LOOSE
-  # job builds a multi-arch docker image for amd64,arm,arm64 and s390x.
+  # Increase machine type for multi-arch builds.
   machineType: E2_HIGHCPU_32
 steps:
-  - name: 'gcr.io/k8s-staging-test-infra/gcb-docker-gcloud:v20211118-2f2d816b90'
-    entrypoint: bash
+  - name: gcr.io/k8s-staging-test-infra/gcb-docker-gcloud:v20240523-a15ad90fc9
     env:
-      - DOCKER_CLI_EXPERIMENTAL=enabled
       - REGISTRY=gcr.io/k8s-staging-ingress-nginx
-      - HOME=/root
+    entrypoint: bash
     args:
-    - -c
-    - |
-      gcloud auth configure-docker \
-      && cd images/nginx && make push
+      - -c
+      - gcloud auth configure-docker && cd images/nginx && make push
+timeout: 7200s

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