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/generate_pack.py

@@ -993,7 +993,6 @@ def generate_pack(
                             agnostic_resolved = True
 
                     if agnostic_resolved and local_path:
-                        # Write rename README
                         original_name = os.path.basename(local_path)
                         dest_name = file_entry.get("name", "")
                         if original_name != dest_name and agnostic_path:
@@ -1537,7 +1536,6 @@ def generate_emulator_pack(
             if not files and not profile.get("data_directories"):
                 print(f"  No files needed for {profile.get('emulator', emu_name)}")
 
-            # Collect archives as atomic units
             archives: set[str] = set()
             for fe in files:
                 archive = fe.get("archive")
@@ -4103,7 +4101,6 @@ def generate_manifest(
 
     repo_root = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 
-    # Filter systems by target
     plat_cores = _platform_cores(config, emu_profiles) if target_cores else None
     pack_systems = filter_systems_by_target(
         config.get("systems", {}),