chore: clear analyzer hints

lib/services/plex_mappers.dart

@@ -1007,7 +1007,7 @@ MediaSourceInfo? plexMediaSourceInfoFromCacheJson(Map<String, dynamic> metadata,
   final streams = walkStreams(
     flexibleList(parts.first['Stream']),
     const PlexFileInfoStreamReader(),
-    onMalformed: (error, _, __) => appLogger.d('Skipping malformed stream in cached metadata', error: error),
+    onMalformed: (error, _, _) => appLogger.d('Skipping malformed stream in cached metadata', error: error),
   );
 
   return MediaSourceInfo(

lib/services/trackers/anilist/anilist_auth_service.dart

@@ -8,7 +8,7 @@ import 'anilist_session.dart';
 /// server-side so the device never sees the fragment. The proxy handles both
 /// state + client_secret; the device just gets the bearer token.
 class AnilistAuthService extends OAuthProxyAuthServiceBase<AnilistSession> {
-  AnilistAuthService({OAuthProxyClient? proxy}) : super(proxy: proxy);
+  AnilistAuthService({super.proxy});
 
   @override
   String get service => 'anilist';

lib/services/trackers/mal/mal_auth_service.dart

@@ -20,9 +20,7 @@ import 'mal_session.dart';
 class MalAuthService extends OAuthProxyAuthServiceBase<MalSession> {
   final http.Client _http;
 
-  MalAuthService({OAuthProxyClient? proxy, http.Client? httpClient})
-    : _http = httpClient ?? platform.createPlatformClient(),
-      super(proxy: proxy);
+  MalAuthService({super.proxy, http.Client? httpClient}) : _http = httpClient ?? platform.createPlatformClient();
 
   @override
   String get service => 'mal';