Removed create method from Disciplines model

~dev_rating/application/classes/Controller/Handler/GetData.php

@@ -32,9 +32,8 @@ class Controller_Handler_GetData extends Controller_Handler
         $this->post -> rule('GroupID', 'not_empty')
             -> rule('GroupID', 'digit');
         if($this->post->check()) {
-            $data['data'] = Model_Disciplines::create()->forGroup(
-                $this->post->offsetGet('GroupID'))->asArray();
-
+            $group = $this->post->offsetGet('GroupID');
+            $data['data'] = Model_Disciplines::forGroup($group);
             $data['success'] = true;
         }
         $this->response->body(json_encode($data));

~dev_rating/application/classes/Model/Disciplines.php

@@ -2,11 +2,7 @@
 
 class Model_Disciplines extends Model
 {
-    public static function create() {
-        return new self();
-    }
-
-    public function forGroup($GroupID) {
+    public static function forGroup($GroupID) {
         $teacherModel = new Model_Teacher_Rating;
         $disciplines = $teacherModel->getDisciplinesForGroup($GroupID);
 
@@ -14,7 +10,7 @@ class Model_Disciplines extends Model
         foreach ($disciplines as $row)
             $list[] = $row;
 
-        return new DataArray_Result($list);
+        return $list;
     }
 
     /**