Job::insert() was soft deprecated in 1.21, time to finally remove the final usages
```
Method
insert
Found usages (6 usages found)
Delegate to super method (1 usage found)
mediawiki (1 usage found)
extensions/ArticleFeedbackv5 (1 usage found)
ArticleFeedbackv5.mailerJob.php (1 usage found)
ArticleFeedbackv5MailerJob (1 usage found)
insert (1 usage found)
130 return parent::insert();
Method call (5 usages found)
mediawiki (5 usages found)
extensions/ArticleFeedbackv5 (1 usage found)
ArticleFeedbackv5.flagging.php (1 usage found)
ArticleFeedbackv5Flagging (1 usage found)
sendOversightEmail (1 usage found)
965 $job->insert();
extensions/Contest/api (1 usage found)
ApiMailContestants.php (1 usage found)
ApiMailContestants (1 usage found)
createReminderJob (1 usage found)
110 $job->insert();
extensions/Interlanguage (1 usage found)
InterlanguageCentralExtension.php (1 usage found)
InterlanguageCentralExtension (1 usage found)
onLinksUpdate (1 usage found)
64 $job->insert();
extensions/SemanticPageSeries/includes (1 usage found)
SPSSpecialSeriesEdit.php (1 usage found)
SPSSpecialSeriesEdit (1 usage found)
evaluateForm (1 usage found)
228 $job->insert();
extensions/TranslateSvg (1 usage found)
SVGMessageGroup.php (1 usage found)
SVGMessageGroup (1 usage found)
register (1 usage found)
287 MessageIndexRebuildJob::newJob()->insert();
```