chore(python): remove .gitignore from templates (#815)

* chore(python): remove .gitignore from templates

Source-Link: googleapis/synthtool@419d94c
Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-python:latest@sha256:a7aef70df5f13313ddc027409fc8f3151422ec2a57ac8730fce8fa75c060d5bb

* 🦉 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: sha256:5581906b957284864632cde4e9c51d1cc66b0094990b27e689132fe5cd036046
-# created: 2025-03-04
+  digest: sha256:a7aef70df5f13313ddc027409fc8f3151422ec2a57ac8730fce8fa75c060d5bb
+# created: 2025-04-10T17:00:10.042601326Z

owlbot.py

@@ -26,7 +26,6 @@
 excludes = [
     "noxfile.py",  # pytype
     "setup.cfg",  # pytype
-    ".flake8",  # flake8-import-order, layout
     ".coveragerc",  # layout
     "CONTRIBUTING.rst",  # no systests
     ".github/workflows/unittest.yml",  # exclude unittest gh action
@@ -36,18 +35,6 @@
 templated_files = common.py_library(microgenerator=True, cov_level=100)
 s.move(templated_files, excludes=excludes)
 
-# Add pytype support
-s.replace(
-    ".gitignore",
-    """\
-.pytest_cache
-""",
-    """\
-.pytest_cache
-.pytype
-""",
-)
-
 python.configure_previous_major_version_branches()
 
 s.shell.run(["nox", "-s", "blacken"], hide_output=False)