fix warnings

Author: avdosev

lib/models/author_info.dart

@@ -1,4 +1,3 @@
-import 'package:habr_app/models/author.dart';
 import 'package:habr_app/models/author_avatar_info.dart';
 
 class AuthorInfo {

lib/pages/article/article.dart

@@ -89,7 +89,6 @@ class _ArticlePageState extends State<ArticlePage> {
               ),
             );
         }
-        break;
       default:
         throw UnsupportedError(
             "Loading state ${postStorage.loadingState} not supported");

lib/pages/articles_list.dart

@@ -1,5 +1,4 @@
 import 'package:flutter/material.dart';
-import 'package:habr_app/utils/platform_helper.dart';
 import 'package:provider/provider.dart';
 import 'package:habr_app/stores/filters_store.dart';
 import 'package:habr_app/utils/filters/article_preview_filters.dart';

lib/pages/comments/comments.dart

@@ -67,7 +67,6 @@ class CommentsPage extends StatelessWidget {
               ),
             );
         }
-        break;
       default:
         throw UnsupportedError(
             "Loading state ${commentsStorage.loadingState} not supported");

lib/pages/user.dart

@@ -2,7 +2,6 @@ import 'package:flutter/material.dart';
 import 'package:habr_app/utils/message_notifier.dart';
 import 'package:provider/provider.dart';
 import 'package:habr_app/stores/habr_storage.dart';
-import 'package:habr_app/models/author.dart';
 
 import 'package:habr_app/models/author_info.dart';
 import 'package:habr_app/stores/avatar_color_store.dart';

lib/stores/app_settings.dart

@@ -1,4 +1,3 @@
-import 'dart:async';
 import 'package:flutter/material.dart';
 import 'package:hive/hive.dart';
 

lib/stores/avatar_color_store.dart

@@ -1,7 +1,6 @@
 import 'dart:ui';
 
 import 'package:flutter/material.dart';
-import 'package:habr_app/models/author.dart';
 import 'package:habr_app/styles/colors/default_avatar.dart';
 
 class AvatarColorStore {

lib/stores/filters_store.dart

@@ -1,5 +1,4 @@
 import 'package:flutter/foundation.dart';
-import 'package:habr_app/app_error.dart';
 import 'package:hive/hive.dart';
 import 'package:hive_flutter/hive_flutter.dart';
 
@@ -18,7 +17,9 @@ class FiltersStorage {
   }
 
   Iterable<Filter<PostPreview>> getAll() {
-    return Hive.box<Filter<PostPreview>>(_boxName).values.cast<Filter<PostPreview>>();
+    return Hive.box<Filter<PostPreview>>(_boxName)
+        .values
+        .cast<Filter<PostPreview>>();
   }
 
   ValueListenable<Box<Filter<PostPreview>>> listenable() {