Fixed ActiveRecordInterface phpDoc

framework/db/ActiveRecordInterface.php

@@ -146,7 +146,7 @@ interface ActiveRecordInterface
      * // SELECT FROM customer WHERE age>30
      * $customers = Customer::find()->where('age>30')->all();
      *
-     * @return static|ActiveQueryInterface the newly created [[ActiveQueryInterface|ActiveQuery]] instance.
+     * @return ActiveQueryInterface the newly created [[ActiveQueryInterface|ActiveQuery]] instance.
      */
     public static function find();