Remove unused cache config.

Fixes #947

Author: markstory

config/app.php

@@ -130,20 +130,6 @@
             'duration' => '+1 years',
             'url' => env('CACHE_CAKEMODEL_URL', null),
         ],
-
-        /*
-         * Configure the cache for routes. The cached routes collection is built the
-         * first time the routes are processed through `config/routes.php`.
-         * Duration will be set to '+2 seconds' in bootstrap.php when debug = true
-         */
-        '_cake_routes_' => [
-            'className' => FileEngine::class,
-            'prefix' => 'myapp_cake_routes_',
-            'path' => CACHE,
-            'serialize' => true,
-            'duration' => '+1 years',
-            'url' => env('CACHE_CAKEROUTES_URL', null),
-        ],
     ],
 
     /*