chore: remove test(14) and test(16) from the required checks (#2283)

* chore: remove test(14) and test(16) from the required checks

* 🦉 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

* exclude sync-repo-settings.yaml from owlbot

---------

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: alkatrivedi

handwritten/spanner/.github/sync-repo-settings.yaml

@@ -8,8 +8,6 @@ branchProtectionRules:
       - "ci/kokoro: Samples test"
       - "ci/kokoro: System test"
       - lint
-      - test (14)
-      - test (16)
       - test (18)
       - cla/google
       - windows

handwritten/spanner/owlbot.py

@@ -64,7 +64,7 @@
 
 common_templates = gcp.CommonTemplates()
 templates = common_templates.node_library(source_location='build/src')
-s.copy(templates, excludes=[".kokoro/samples-test.sh", ".kokoro/trampoline_v2.sh", ".github/release-trigger.yml"])
+s.copy(templates, excludes=[".kokoro/samples-test.sh", ".kokoro/trampoline_v2.sh", ".github/release-trigger.yml", ".github/sync-repo-settings.yaml"])
 
 node.postprocess_gapic_library_hermetic()