As discovered at
https://gitlab.com/gitlab-org/gitlab/-/merge_requests/74735#note_740614507
this code causes a CrossDatabaseModificationAcrossUnsupportedTablesError
since it writes to ci and non-ci tables in the context of a single
transaction. You can read more at
https://docs.gitlab.com/ee/development/database/multiple_databases.html#removing-cross-database-transactions .

This code is apparently not used and not needed anymore as we don't
allow people to install runners this way anymore. For now I decided to
just focus on removing the small amount of code that was causing
problems but it seems there could be a deeper rabbit hole here of
removing lots of unused code but I decided not to tackle that all at
once.

Improve message about draft status

See merge request gitlab-org/gitlab!74653

Add linking documentation for the experiment concerns

See merge request gitlab-org/gitlab!74549

Move all process related methods to the ProcessManagement module

See merge request gitlab-org/gitlab!74693

Comment why we don't care about sherlock coverage

See merge request gitlab-org/gitlab!74761

Add tests for checkout

See merge request gitlab-org/gitlab!73145

The checkout component has a role in initialising
the purchse flow. Tests are added to make sure it behaves correctly.

Add library to convert cron to human readable

See merge request gitlab-org/gitlab!74450

Doc: Add note about GDK initial password for QA tests

See merge request gitlab-org/gitlab!74449

Fix undefined method `database` in ShaAttribute

See merge request gitlab-org/gitlab!74751

Update gl-modal action buttons in user status modal

See merge request gitlab-org/gitlab!59460

Merge branch '343205-follow-up-from-ensure-child-pipeline-jobs-are-created-in-scheduled-child-pipelines' into 'master'

Simplify Review App CI rules

See merge request gitlab-org/gitlab!74105

Refactor epic milestone e2e to reduce flakiness

See merge request gitlab-org/gitlab!74647

Includes DatabaseReflection for models which may not descend from
ApplicationRecord

Run Auto DevOps jobs when KUBECONFIG is present

See merge request gitlab-org/gitlab!73708

Fix secure report schema filename

See merge request gitlab-org/gitlab!74128

- use first entry of preferred locale to try to translate
  cronstrue output
- cronstrue defaults to en if language is not supported

Update Gitaly version

See merge request gitlab-org/gitlab!74748

E2E: reliable test report

See merge request gitlab-org/gitlab!74460

Detect and log cross-database modifications in production (v2)

See merge request gitlab-org/gitlab!74177

Update the link to codequality issue

See merge request gitlab-org/gitlab!74705

Minor change to FF testing

See merge request gitlab-org/gitlab!74712

Update Unleash Proxy example

See merge request gitlab-org/gitlab!74628

Add manual vulnerability creation page

See merge request gitlab-org/gitlab!74505

- update policies list to convert cron to human readable

Changelog: added

EE: true

Improve performance of verification queries

See merge request gitlab-org/gitlab!71312

Clarify docs on Dependency Proxy authentication

See merge request gitlab-org/gitlab!71705

Doc consistency edits for user package

See merge request gitlab-org/gitlab!74447