refactor: one refusal for profile-blind narrowings

generate_pack and verify each held a copy of the refusal added for MiSTer
and BizHawk. without_profile_blind in common.py is the one both read.

scripts/verify.py

@@ -65,7 +65,7 @@ from common import (
     load_database,
     load_emulator_profiles,
     load_platform_config,
-    profile_blind_platforms,
+    without_profile_blind,
     resolve_system_arg,
     print_platform_listing,
     select_systems,
@@ -3020,27 +3020,19 @@ def _main(held: contextlib.ExitStack) -> None:
 
     # generate_pack refuses these on a platform whose cores no profile
     # describes, and the report answers the same request the same way.
-    flags = [
-        flag for flag, given in (
-            ("--region", requested_regions),
-            ("--no-game-data", getattr(args, "no_game_data", False)),
-        ) if given
-    ]
-    if flags:
-        blind = profile_blind_platforms(
-            platforms, args.platforms_dir, emu_profiles,
-            target_cores_cache if args.target else None,
-        )
-        for name in blind:
-            message = (
-                f"{name} runs no core a profile describes, and "
-                f"{', '.join(flags)} reads the profiles"
-            )
-            if not args.all:
-                print(f"ERROR: {message}: drop {', '.join(flags)}", file=sys.stderr)
-                sys.exit(1)
-            print(f"  {message}: left out")
-        platforms = [name for name in platforms if name not in blind]
+    platforms = without_profile_blind(
+        platforms,
+        [
+            flag for flag, given in (
+                ("--region", requested_regions),
+                ("--no-game-data", getattr(args, "no_game_data", False)),
+            ) if given
+        ],
+        args.platforms_dir,
+        emu_profiles,
+        target_cores_cache if args.target else None,
+        args.all,
+    )
 
     # Group identical platforms (same function as generate_pack)
     groups = group_identical_platforms(