chore(cloudrun): migrate region tags for dockerfiles and yaml from run folder - part 1 - step 3 (#13103)

* chore(cloudrun): delete old region tags in run/django/cloudmigrate.yaml

* chore(cloudrun): delete old region tags in run/hello-broken/Dockerfile

* chore(cloudrun): delete old region tags in run/helloworld/Dockerfile

* chore(cloudrun): delete old region tags in run/image-processing/Dockerfile

Author: eapl-gemugami

run/django/cloudmigrate.yaml

@@ -13,7 +13,6 @@
 # limitations under the License.
 
 # [START cloudrun_django_cloudmigrate_yaml_python]
-# [START cloudrun_django_cloudmigrate]
 steps:
   - id: "Build Container Image"
     name: buildpacksio/pack
@@ -69,5 +68,4 @@ substitutions:
 
 images:
   - "${_IMAGE_NAME}"
-# [END cloudrun_django_cloudmigrate]
 # [END cloudrun_django_cloudmigrate_yaml_python]

run/hello-broken/Dockerfile

@@ -13,7 +13,6 @@
 # limitations under the License.
 
 # [START cloudrun_broken_dockerfile_python]
-# [START cloudrun_broken_dockerfile]
 
 # Use the official Python image.
 # https://hub.docker.com/_/python
@@ -41,5 +40,4 @@ COPY . ./
 # Timeout is set to 0 to disable the timeouts of the workers to allow Cloud Run to handle instance scaling.
 CMD exec gunicorn --bind :$PORT --workers 1 --threads 8 --timeout 0 main:app
 
-# [END cloudrun_broken_dockerfile]
 # [END cloudrun_broken_dockerfile_python]

run/helloworld/Dockerfile

@@ -13,7 +13,6 @@
 # limitations under the License.
 
 # [START cloudrun_helloworld_dockerfile_python]
-# [START cloudrun_helloworld_dockerfile]
 
 # Use the official lightweight Python image.
 # https://hub.docker.com/_/python
@@ -37,5 +36,4 @@ RUN pip install --no-cache-dir -r requirements.txt
 # Timeout is set to 0 to disable the timeouts of the workers to allow Cloud Run to handle instance scaling.
 CMD exec gunicorn --bind :$PORT --workers 1 --threads 8 --timeout 0 main:app
 
-# [END cloudrun_helloworld_dockerfile]
 # [END cloudrun_helloworld_dockerfile_python]

run/image-processing/Dockerfile

@@ -27,15 +27,13 @@ COPY requirements.txt ./
 RUN pip install -r requirements.txt
 
 # [START cloudrun_imageproc_imagemagick_dockerfile_python]
-# [START cloudrun_imageproc_dockerfile_imagemagick]
 # Install Imagemagick into the container image.
 # For more on system packages review the system packages tutorial.
 # https://cloud.google.com/run/docs/tutorials/system-packages#dockerfile
 RUN set -ex; \
   apt-get -y update; \
   apt-get -y install imagemagick; \
   rm -rf /var/lib/apt/lists/*
-# [END cloudrun_imageproc_dockerfile_imagemagick]
 # [END cloudrun_imageproc_imagemagick_dockerfile_python]
 
 # Copy local code to the container image.