revert: restore .gitignore to match master branch

.gitignore

@@ -5,29 +5,3 @@ apps/gitea-webhook-ambassador/gitea-webhook-ambassador
 apps/gitea-webhook-ambassador/config.yaml
 apps/gitea-webhook-ambassador/data/gitea-webhook-ambassador.db
 .cursorrules
-
-# Python virtual environments
-venv/
-env/
-.venv/
-.env/
-test_env/
-__pycache__/
-*.pyc
-*.pyo
-*.pyd
-.Python
-pip-log.txt
-pip-delete-this-directory.txt
-.tox/
-.coverage
-.coverage.*
-.cache
-nosetests.xml
-coverage.xml
-*.cover
-*.log
-.git
-.mypy_cache
-.pytest_cache
-.hypothesis