chore: drop label comments across scripts

CommentsSayWhy read three scripts while 22 comments in 13 other files
named the next statement. They are removed or replaced by the reason,
and the test reads every tracked script and install.py.

scripts/scraper/retrobat_scraper.py

@@ -230,7 +230,6 @@ class Scraper(BaseScraper):
         """Generate a platform YAML config dict from scraped data."""
         requirements = self.fetch_requirements()
 
-        # Parse source to extract display names per system
         raw = self._fetch_raw()
         source_data = json.loads(raw)
         display_names: dict[str, str] = {}