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/_hash_merge.py

@@ -443,7 +443,6 @@ def _patch_bios_entries(text: str, files: list[dict]) -> str:
     """
     import re
 
-    # Build a lookup of what to patch
     patches: dict[str, dict] = {}
     for fe in files:
         if fe.get("category") != "bios_zip":

scripts/scraper/batocera_scraper.py

@@ -444,7 +444,6 @@ 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_dict = self._extract_systems_dict(raw)
         display_names: dict[str, str] = {}

scripts/scraper/bizhawk_scraper.py

@@ -214,7 +214,6 @@ def parse_firmware_database(
         r"\s*\)"
     )
 
-    # Collect firmware slots
     firmware_slots: dict[tuple[str, str], str] = {}
     for m in firmware_re.finditer(source):
         system, fw_id, desc = m.group(1), m.group(2), m.group(3)
@@ -252,7 +251,6 @@ def parse_firmware_database(
         slot_key = (system, fw_id)
         slot_options.setdefault(slot_key, []).append((file_entry, status))
 
-    # Build records from FirmwareAndOption one-liners
     records: list[dict] = []
 
     for m in fao_re.finditer(source):

scripts/scraper/mame_parser.py

@@ -372,13 +372,12 @@ def _parse_rom_entries(block: str) -> list[dict]:
         ("rom_load", _ROM_LOAD),
     ]
 
-    # Collect all matches with their positions
     events: list[tuple[int, str, re.Match]] = []
     for tag, pat in token_patterns:
         for m in pat.finditer(block):
             events.append((m.start(), tag, m))
 
-    # Sort by position in block
+    # Walked in source order: a ROM_LOAD belongs to the last ROM_REGION above it.
     events.sort(key=lambda e: e[0])
 
     for _pos, tag, m in events:

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] = {}

scripts/scraper/retrodeck_scraper.py

@@ -380,7 +380,6 @@ class Scraper(BaseScraper):
                     if system is None:
                         continue
 
-                    # Resolve path
                     paths_raw = entry.get("paths")
                     if isinstance(paths_raw, str):
                         resolved = _resolve_path(paths_raw)