Update settings/ajax/removeuser.php

$l->t added for error message

settings/ajax/removeuser.php

@@ -19,5 +19,5 @@ if( OC_User::deleteUser( $username )) {
 	OC_JSON::success(array("data" => array( "username" => $username )));
 }
 else{
-	OC_JSON::error(array("data" => array( "message" => "Unable to delete user" )));
+	OC_JSON::error(array("data" => array( "message" => $l->t("Unable to delete user") )));
 }