Exclude README.md from markdown-code-runner workflow

README.md contains code blocks that import from
homeassistant.components.adaptive_lighting, which only exists
when running inside Home Assistant core, not in a regular venv.

Author: basnijholt

docs/run_markdown_code_runner.py

@@ -57,11 +57,9 @@ def main() -> int:
     """Main entry point."""
     repo_root = Path(__file__).parent.parent
 
-    # Also check README.md at repo root
+    # Only process docs/ files - README.md requires homeassistant imports
+    # that are only available when running inside Home Assistant core
     files = find_markdown_files_with_code_blocks(repo_root / "docs")
-    readme = repo_root / "README.md"
-    if readme.exists() and "<!-- CODE:START -->" in readme.read_text():
-        files.append(readme)
 
     success = run_markdown_code_runner(files, repo_root)
     return 0 if success else 1