Fix CI: Remove duplicate files and fix pyproject.toml configuration

.gitignore

@@ -1,12 +1,8 @@
-# Byte-compiled / optimized / DLL files
+# Python
 __pycache__/
 *.py[cod]
 *$py.class
-
-# C extensions
 *.so
-
-# Distribution / packaging
 .Python
 build/
 develop-eggs/
@@ -20,55 +16,12 @@ parts/
 sdist/
 var/
 wheels/
-share/python-wheels/
 *.egg-info/
 .installed.cfg
 *.egg
-MANIFEST
-
-# PyInstaller
-*.manifest
-*.spec
-
-# Installer logs
-pip-log.txt
-pip-delete-this-directory.txt
-
-# Unit test / coverage reports
-htmlcov/
-.tox/
-.nox/
-.coverage
-.coverage.*
-.cache
-nosetests.xml
-coverage.xml
-*.cover
-*.py,cover
-.hypothesis/
-.pytest_cache/
-cover/
-
-# Translations
-*.mo
-*.pot
-
-# Environments
 .env
 .venv
 env/
 venv/
 ENV/
-env.bak/
+*.log
-venv.bak/
-
-# IDEs
-.vscode/
-.idea/
-*.swp
-*.swo
-*~
-
-# OS
-.DS_Store
-Thumbs.db