Remove lots of unneeded imports.

src/Api/ApiServiceProvider.php

@@ -1,6 +1,5 @@
 <?php namespace Flarum\Api;
 
-use Flarum\Http\Router;
 use Illuminate\Support\ServiceProvider;
 
 class ApiServiceProvider extends ServiceProvider

src/Core/Handlers/Commands/DeleteAvatarCommandHandler.php

@@ -4,10 +4,7 @@ use Flarum\Core\Commands\DeleteAvatarCommand;
 use Flarum\Core\Events\AvatarWillBeDeleted;
 use Flarum\Core\Repositories\UserRepositoryInterface;
 use Flarum\Core\Support\DispatchesEvents;
-use League\Flysystem\Adapter\Local;
-use League\Flysystem\Filesystem;
 use League\Flysystem\FilesystemInterface;
-use League\Flysystem\MountManager;
 
 class DeleteAvatarCommandHandler
 {

src/Core/Search/Users/UserSearcher.php

@@ -1,6 +1,5 @@
 <?php namespace Flarum\Core\Search\Users;
 
-use Flarum\Core\Models\User;
 use Flarum\Core\Search\SearcherInterface;
 use Flarum\Core\Search\GambitManager;
 use Flarum\Core\Repositories\UserRepositoryInterface;

src/Support/Extensions/ExtensionsServiceProvider.php

@@ -2,7 +2,6 @@
 
 use Flarum\Core;
 use Illuminate\Support\ServiceProvider;
-use DB;
 
 class ExtensionsServiceProvider extends ServiceProvider
 {

src/Support/ServiceProvider.php

@@ -2,11 +2,6 @@
 
 use Illuminate\Support\ServiceProvider as IlluminateServiceProvider;
 use Illuminate\Contracts\Events\Dispatcher;
-use Flarum\Core\Models\Notification;
-use Flarum\Core\Models\User;
-use Flarum\Core\Models\Post;
-use Flarum\Core\Models\Permission;
-use Closure;
 
 class ServiceProvider extends IlluminateServiceProvider
 {