Remove app/Http/Middleware/TrustProxies.php as we don't need to subclass it.

app/Http/Middleware/TrustProxies.php

@@ -1,28 +0,0 @@
-<?php
-
-namespace App\Http\Middleware;
-
-use Illuminate\Http\Middleware\TrustProxies as Middleware;
-use Illuminate\Http\Request;
-
-class TrustProxies extends Middleware
-{
-    /**
-     * The trusted proxies for this application.
-     *
-     * @var array|string|null
-     */
-    protected $proxies;
-
-    /**
-     * The headers that should be used to detect proxies.
-     *
-     * @var int
-     */
-    protected $headers =
-        Request::HEADER_X_FORWARDED_FOR |
-        Request::HEADER_X_FORWARDED_HOST |
-        Request::HEADER_X_FORWARDED_PORT |
-        Request::HEADER_X_FORWARDED_PROTO |
-        Request::HEADER_X_FORWARDED_AWS_ELB;
-}