refactor: simplify effects metadata tests and remove obsolete instance checks

tests/test_effects.py

@@ -89,22 +89,13 @@ class TestAudioEffects(unittest.TestCase):
         self.assertFalse(toggled)
         self.assertFalse(pipeline.is_active("distortion"))
 
-    def test_effects_metadata_does_not_contain_badge_or_description(self):
+    def test_effects_metadata_structure(self):
         from zyrarbot.audio.effects.registry import get_available_effects_metadata
 
         metadata = get_available_effects_metadata()
         self.assertGreater(len(metadata), 0)
         for entry in metadata:
-            self.assertIn("id", entry)
-            self.assertIn("name", entry)
-            self.assertIn("icon", entry)
-            self.assertNotIn("badge", entry)
-            self.assertNotIn("description", entry)
-
-    def test_effect_instances_have_no_badge_or_description_attribute(self):
-        for effect in create_default_effects():
-            self.assertFalse(hasattr(effect, "badge"))
-            self.assertFalse(hasattr(effect, "description"))
+            self.assertEqual(set(entry.keys()), {"id", "name", "icon"})
 
 
 if __name__ == "__main__":