Reverted back to Model class

lib/Models/Subscriber.php

@@ -1,23 +1,23 @@
-<?php
-namespace MailPoet\Models;
-
-if (!defined('ABSPATH')) exit;
-
-class Subscriber extends BaseModel {
-  public static $_table = MP_SUBSCRIBERS_TABLE;
-
-  function __construct() {
-    $this->addValidations('email', array(
-      'required' => "email_is_blank",
-      'isEmail'  => "email_is_invalid"
-    ));
-    $this->addValidations('first_name', array(
-      'required'    => "first_name_is_blank",
-      'minLength|2' => "first_name_is_short"
-    ));
-    $this->addValidations('last_name', array(
-      'required'    => "last_name_is_blank",
-      'minLength|2' => "last_name_is_short"
-    ));
-  }
-}
+<?php
+namespace MailPoet\Models;
+
+if (!defined('ABSPATH')) exit;
+
+class Subscriber extends Model {
+  public static $_table = MP_SUBSCRIBERS_TABLE;
+
+  function __construct() {
+    $this->addValidations('email', array(
+      'required' => "email_is_blank",
+      'isEmail'  => "email_is_invalid"
+    ));
+    $this->addValidations('first_name', array(
+      'required'    => "first_name_is_blank",
+      'minLength|2' => "first_name_is_short"
+    ));
+    $this->addValidations('last_name', array(
+      'required'    => "last_name_is_blank",
+      'minLength|2' => "last_name_is_short"
+    ));
+  }
+}