===Description
There is a partial migration of the VisualEditorFeatureUse instrument to the MP client library. It uses `dispatch()`, which is now deprecated in favour of `submitInteractionEvent()`. We should remove the partial migration of the instrument to minimise our own maintenance burden.
=== Acceptance criteria
[] The partial migration is removed
** https://gerrit.wikimedia.org/g/mediawiki/extensions/WikimediaEvents/+/fb849379e991f0163d7ef4c880df93cd2139d78a/modules/ext.wikimediaEvents/editAttemptStep.js#447
[] Any supporting code is removed
[] Any supporting documentation is updated
** e.g. see the `WikimediaEvents/OWNERS.md` file and/or the DocBlocks at the tops of the files listed above
[] Any associated streams are removed
** https://gerrit.wikimedia.org/g/operations/mediawiki-config/+/213bc5bfaa55cf09e7cf48a3484f95e1fdcc745c/wmf-config/ext-EventStreamConfig.php#1089
===Completion checklist
<To be filled in by assignee>
[] Regression tests covering this?
[] Documentation updated and conforms to [[https://www.mediawiki.org/wiki/Accessibility_guide_for_developers |the accessiblity guide]]?
[] ...