#576 und Refactoring

lib/content_views/main_page.dart

@@ -1,6 +1,5 @@
 import 'dart:convert';
 
-import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:isar/isar.dart';
 import 'package:stadtbote/content_views/accepted_jobs_page.dart';