This reverts commit 481938de.

* This will upload the sha of the docker image containing assets to
  assist with building specific sha builds in the future.
* Addresses: gitlab-org/release/framework#51

Docs: add index for /customization/*

See merge request gitlab-org/gitlab-ce!25298

Same as `branded_login_page.md`

Docs: add index for /customization/*

See merge request gitlab-org/gitlab-ee!9578

Same as `branded_login_page.md`

Make the file tree in merge requests resizable

Closes #51857

See merge request gitlab-org/gitlab-ce!25097

Fix typo in troubleshooting steps for "local issuer certificate" error

See merge request gitlab-org/gitlab-ce!25341

Update custom MR templates for gitlab-ce

See merge request gitlab-org/gitlab-ce!25227

Externalize strings from `/app/views/projects/commit`

See merge request gitlab-org/gitlab-ce!24668

Docs: article: End-to-end testing with WebdriverIO and GitLab CI/CD

Closes gitlab-com/community-writers#159

See merge request gitlab-org/gitlab-ce!19834

End-to-end testing example

See merge request gitlab-org/gitlab-ce!18959

Docs: article: End-to-end testing with WebdriverIO and GitLab CI/CD

See merge request gitlab-org/gitlab-ee!6131

End-to-end testing example

See merge request gitlab-org/gitlab-ce!18959

Allow blank values to be stored in reactive cache

See merge request gitlab-org/gitlab-ce!25283

Reactive caching concern was using .present? to determine if it got
a valid value from the cache. This returns false for values such as
false, [], {}. Change this check to !.nil? instead.

Quarantine GEO tests

See merge request gitlab-org/gitlab-ee!9589

Fix job name overflow in Firefox, Safari and IE

Closes #56426

See merge request gitlab-org/gitlab-ce!24707

Use export-import svg from gitlab-svgs

Closes #55312

See merge request gitlab-org/gitlab-ce!24954

Add a soft SLA for reviewers and maintainers

See merge request gitlab-org/gitlab-ce!25192

Use export-import svg from gitlab-svgs

See merge request gitlab-org/gitlab-ee!9453

Remove duplicate field from MergeRequestType

See merge request gitlab-org/gitlab-ce!25330

Fix the documentation Dangerfile

See merge request gitlab-org/gitlab-ce!25345

Fix failing e2e test: qa/specs/features/browser_ui/3_create/merge_request/create_merge_request_spec.rb

Closes gitlab-org/quality/staging#38

See merge request gitlab-org/gitlab-ce!25304

Update proofreader.md

See merge request gitlab-org/gitlab-ce!24943

Refactor opening paragraph in admin docs

See merge request gitlab-org/gitlab-ce!25331

Refactor opening paragraph in admin docs

See merge request gitlab-org/gitlab-ee!9587