[feature/module_services] Pass phpBB dbal driver to module uninstall method

modules/donation.php

@@ -118,10 +118,8 @@ class donation extends module_base
 	/**
 	* @inheritdoc
 	*/
-	public function uninstall($module_id)
+	public function uninstall($module_id, $db)
 	{
-		global $db;
-
 		$del_config = array(
 			'board3_pay_acc_' . $module_id,
 			'board3_pay_custom_' . $module_id,

modules/module_base.php

@@ -81,7 +81,7 @@ class module_base implements module_interface
 	/**
 	* @inheritdoc
 	*/
-	public function uninstall($module_id)
+	public function uninstall($module_id, $db)
 	{
 		return true;
 	}

modules/module_interface.php

@@ -93,8 +93,9 @@ interface module_interface
 	* Executes any additional commands for uninstalling the module
 	*
 	* @param int $module_id Module's ID
+	* @param \phpbb\db\driver $db phpBB dbal driver
 	*
 	* @return bool True if uninstall was successful, false if not
 	*/
-	public function uninstall($module_id);
+	public function uninstall($module_id, $db);
 }