Better middleware for routes, cleaned up API, removed old API calls

New API routes for Server allow specifying which fractal objects to
load into the request, thus making it possible to fine-tune what data
is returned.

routes/api.php

@@ -32,7 +32,10 @@ Route::get('/', 'CoreController@index')->name('api.user');
 | Endpoint: /api/user/server/{server}
 |
 */
-Route::group(['prefix' => '/server/{server}'], function () {
+Route::group([
+    'prefix' => '/server/{server}',
+    'middleware' => 'server',
+], function () {
     Route::get('/', 'ServerController@index')->name('api.user.server');
 
     Route::post('/power', 'ServerController@power')->name('api.user.server.power');