docs: remove line breaks

Author: kenjis

user_guide_src/source/models/model/010.php

@@ -1,4 +1,3 @@
 <?php
 
-$users = $userModel->where('active', 1)
-    ->findAll();
+$users = $userModel->where('active', 1)->findAll();

user_guide_src/source/models/model/012.php

@@ -1,4 +1,3 @@
 <?php
 
-$user = $userModel->where('deleted', 0)
-    ->first();
+$user = $userModel->where('deleted', 0)->first();