== Background
In 2019 we disabled the mobile beta (T237290)
In November 2023, we broke the AMC drawer (T351362) that prompted people to try the advanced mobile mode when clicking the desktop site link in footer. Since then we have been maintaining a large amount of code that impacts user performance for no good reason.
Currently if you set:
```
$wgMFAmcOutreachMinEditCount = 0;
$wgMFAmcOutreach = true;
```
then the drawer shows but clicking it has no effect.
This was disabled in production.
The beta mode has not been used for 6 years, so restoring it at this point would come with considerable risk.
We should be responsible and remove all this code.
== User story
- As a developer I don't want to maintain unused code
- As a user I don't want to download unnecessary code.
== Requirements
[] We remove the code.
[] All references to config have been removed
=== BDD
- For QA engineer to fill out
=== Test Steps
- For QA engineer to fill out
== Design
- Add mockups and design requirements
== Acceptance criteria
- Add acceptance criteria
== Communication criteria - does this need an announcement or discussion?
- Add communication criteria
== Rollback plan
- What is the rollback plan in production for this task if something goes wrong?
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