chore(python): remove CONTRIBUTING.rst from templates (#605)

* chore(python): remove CONTRIBUTING.rst from templates Source-Link: googleapis/synthtool@c96fb11 Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-python:latest@sha256:710b70faff81151657d89db6e028c23a1051787598c8276bdd8eef25c92da8ab * 🦉 Updates from OwlBot post-processor See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md * 🦉 Updates from OwlBot post-processor See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md * 🦉 Updates from OwlBot post-processor See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md * Remove replacement in owlbot.py --------- Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com> Co-authored-by: Anthonios Partheniou <partheniou@google.com>

Author: gcf-owl-bot[bot]

.github/.OwlBot.lock.yaml

@@ -13,5 +13,5 @@
 # limitations under the License.
 docker:
  image: gcr.io/cloud-devrel-public-resources/owlbot-python:latest
- digest: sha256:023a21377a2a00008057f99f0118edadc30a19d1636a3fee47189ebec2f3921c
-# created: 2025-03-31T16:51:40.130756953Z
+ digest: sha256:710b70faff81151657d89db6e028c23a1051787598c8276bdd8eef25c92da8ab
+# created: 2025-04-10T17:48:54.829145676Z

owlbot.py

@@ -211,48 +211,6 @@ def docfx(session):
  r"Dict[str, str]",
 )
 
-# Add documentation about creating indexes and populating data for system
-# tests.
-assert 1 == s.replace(
- "CONTRIBUTING.rst",
- r"""
-\*\*\*\*\*\*\*\*\*\*\*\*\*
-Test Coverage
-\*\*\*\*\*\*\*\*\*\*\*\*\*
-""",
- """
-- You'll need to create composite
- `indexes <https://cloud.google.com/datastore/docs/tools/indexconfig>`__
- with the ``gcloud`` command line
- `tool <https://developers.google.com/cloud/sdk/gcloud/>`__::
-
- # Install the app (App Engine Command Line Interface) component.
- $ gcloud components install app-engine-python
-
- # Authenticate the gcloud tool with your account.
- $ GOOGLE_APPLICATION_CREDENTIALS="path/to/app_credentials.json"
- $ gcloud auth activate-service-account \
- > --key-file=${GOOGLE_APPLICATION_CREDENTIALS}
-
- # Create the indexes
- $ gcloud datastore indexes create tests/system/index.yaml
-
-- You'll also need stored data in your dataset. To populate this data, run::
-
- $ python tests/system/utils/populate_datastore.py
-
-- If you make a mistake during development (i.e. a failing test that
- prevents clean-up) you can clear all system test data from your
- datastore instance via::
-
- $ python tests/system/utils/clear_datastore.py
-
-*************
-Test Coverage
-*************
-""",
-)
-
 # add type checker nox session
 s.replace(
  "noxfile.py",