Revert 7284: Remove PrebuildStatusMaintainer and subsequent unused code

[geropl]

Description

Reverts PR #7284.

We learned that we indeed use that code. There is room for improvement, but to unblock other work, we go with revert first.

Related Issue(s)

Fixes #

How to test

Release Notes

NONE

Documentation

[codecov]

Codecov Report

Merging #7522 (9ddf14b) into main (aa47428) will decrease coverage by 0.79%.
The diff coverage is n/a.

@@           Coverage Diff            @@
##            main   #7522      +/-   ##
========================================
- Coverage   8.38%   7.58%   -0.80%     
========================================
  Files         33      31       -2     
  Lines       2410    2242     -168     
========================================
- Hits         202     170      -32     
+ Misses      2204    2070     -134     
+ Partials       4       2       -2     

Flag	Coverage Δ
components-gitpod-cli-app	9.53% <ø> (ø)
components-local-app-app-darwin-amd64	?
components-local-app-app-darwin-arm64	?
components-local-app-app-linux-amd64	?
components-local-app-app-linux-arm64	?
components-local-app-app-windows-386	?
components-local-app-app-windows-amd64	?
components-local-app-app-windows-arm64	?
installer-raw-app	5.76% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
components/local-app/pkg/auth/pkce.go
components/local-app/pkg/auth/auth.go

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[JanKoehnlein]

/lgtm

[roboquat]

LGTM label has been added.

Git tree hash: cef0dd8a6a306787011efd4bdae63c074c2fc489

[roboquat]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: JanKoehnlein

Associated issue: #7284

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Needs approval from an approver in each of these files:

• components/gitpod-db/OWNERS [JanKoehnlein]
• components/gitpod-protocol/OWNERS [JanKoehnlein]
• components/server/OWNERS [JanKoehnlein]
• components/ws-manager-bridge/OWNERS [JanKoehnlein]

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