[ticket/11745] Group request approved notification

PHPBB3-11745

phpBB/language/en/common.php

@@ -415,6 +415,7 @@ $lang = array_merge($lang, array(
 	),
 	'NOTIFICATION_BOOKMARK'				=> '%1$s replied to the topic "%2$s" you have bookmarked.',
 	'NOTIFICATION_GROUP_REQUEST'		=> '%1$s is requesting to join the group %2$s.',
+	'NOTIFICATION_GROUP_REQUEST_APPROVED'	=> 'Your request to join the "%1$s" group on has been approved.',
 	'NOTIFICATION_PM'					=> '%1$s sent you a Private Message "%2$s".',
 	'NOTIFICATION_POST'					=> '%1$s replied to the topic "%2$s".',
 	'NOTIFICATION_POST_APPROVED'		=> 'Your post was approved "%2$s".',

phpBB/language/en/email/group_approved.txt

@@ -1,10 +0,0 @@
-Subject: Your request has been approved
-
-Congratulations,
-
-Your request to join the "{GROUP_NAME}" group on "{SITENAME}" has been approved.
-Click on the following link to see your group membership.
-
-{U_GROUP}
-
-{EMAIL_SIG}