Bug #1802046: Clean up old lti settings from oauth_server_config

During an upgrade, the clean up should also remove records from
the oauth_server_config table.

behatnotneeded

Change-Id: Ia0ae61ddb7cf7b05241466ec0d6900d2025d662b
(cherry picked from commit 6b06c240)

htdocs/webservice/lib.php

@@ -1526,6 +1526,7 @@ function external_delete_descriptions($component) {
     delete_records_select('external_services_users', "externalserviceid IN (SELECT id FROM {external_services} WHERE component = ?)", $params);
     delete_records_select('external_tokens', "externalserviceid IN (SELECT id FROM {external_services} WHERE component = ?)", $params);
     delete_records_select('oauth_server_token', "osr_id_ref IN (SELECT id FROM {oauth_server_registry} WHERE externalserviceid IN (SELECT id FROM {external_services} WHERE component = ?))", $params);
+    delete_records_select('oauth_server_config', "oauthserverregistryid IN (SELECT id FROM {oauth_server_registry} WHERE externalserviceid IN (SELECT id FROM {external_services} WHERE component = ?))", $params);
     delete_records_select('oauth_server_registry', "externalserviceid IN (SELECT id FROM {external_services} WHERE component = ?)", $params);
     delete_records_select(
         'external_services_functions',