remove old links for deprecated greenhouse and migratestatus tools

Author: mblag

README.md

@@ -43,11 +43,9 @@ after they have been reviewed. All job configs are located in [`config/jobs`]
 - [`gcsweb`](/gcsweb) is a UI we use to display test artifacts stored in public GCS buckets
 - [`ghproxy`](/ghproxy) is a GitHub-aware reverse proxy cache to help keep our GitHub API token usage within rate limits
 - [`gopherage`](/gopherage) is a tool for manipulating Go coverage files
-- [`greenhouse`](/greenhouse) is a shared bazel cache we use to ensure faster build and test presubmit jobs
 - [`label_sync`](/label_sync) creates, updates and migrates GitHub labels across orgs and repos based on `labels.yaml` file
 - [`kettle`](/kettle) extracts test results from GCS and puts them into bigquery
 - [`kubetest`](/kubetest) is how our CI creates and e2e tests kubernetes clusters
-- [`maintenance/migratestatus`](/maintenance/migratestatus) is used to migrate or retire GitHub status contexts on PRs across orgs and repos
 - [`metrics`](/metrics) runs queries against bigquery to generate metrics based on test results
 - [`robots/commenter`](/robots/commenter) is used by some of our jobs to comment on GitHub issues
 

docs/playbooks/README.md

@@ -14,17 +14,5 @@ TDLR: Prow is a set of CI services that we run.
 
 In particular we use this for hosting Kubernetes's CI and GitHub automation.
 
-## Greenhouse
-
-[Playbook][greenhouse-playbook]
-
-TDLR: Greenhouse is a bazel [remote build cache] service.
-
-In particular we use this for building the [Kubernetes repo][kubernetes-repo] 
-in presubmit on Prow.
-
 <!--URLS-->
-[kubernetes-repo]: https://github.com/kubernetes/kubernetes
-[greenhouse-playbook]: greenhouse.md
 [prow-playbook]: prow.md
-[remote build cache]: https://docs.bazel.build/versions/master/remote-caching.html

docs/playbooks/greenhouse.md

@@ -17,7 +17,6 @@ Prow is composed of a service cluster, and one or more build clusters
 
 Each build cluster may have additional components deployed:
 - **boskos**: responsible for managing pools of GCP projects
-- **greenhouse**: implements a remote bazel cache
 - **ghproxy**: reverse proxy HTTP cache optimized for use with the GitHub API
 - **kubernetes-external-secrets**: updates Kubernetes Secrets with values from 
   external secret stores such as Google Secret Manager
@@ -45,7 +44,7 @@ in separate GCP organizations:
 - Kubernetes manifests live in /config/prow/cluster
 - Owner access given to Google employees in test-infra-oncall
 - Viewer access given to Google employees
-- Additional components: boskos, greenhouse
+- Additional components: boskos
 - Logs available via Google Cloud Logging
 
 ### test-infra-trusted
@@ -62,7 +61,7 @@ in separate GCP organizations:
 - Owner access given to [email protected]
 - Viewer access given to [email protected]
 - Kubernetes API access restricted to internal networks, must use google cloud shell
-- Additional components: boskos, greenhouse, kubernetes-external-secrets
+- Additional components: boskos, kubernetes-external-secrets
 - [k8s-infra-prow-build dashboard](https://console.cloud.google.com/monitoring/dashboards/custom/10925237040785467832?project=k8s-infra-prow-build&timeDomain=1d)
 - [k8s-infra-prow-build logs](https://console.cloud.google.com/logs/query?project=k8s-infra-prow-build)
 

docs/playbooks/prow.md

@@ -572,7 +572,6 @@ larger set of contributors to apply/remove them.
 | <a id="area/enhancements" href="#area/enhancements">`area/enhancements`</a> | Issues or PRs related to the Enhancements subproject| label | |
 | <a id="area/github-management" href="#area/github-management">`area/github-management`</a> | Issues or PRs related to GitHub Management subproject| label | |
 | <a id="area/gopherage" href="#area/gopherage">`area/gopherage`</a> | Issues or PRs related to code in /gopherage| humans | |
-| <a id="area/greenhouse" href="#area/greenhouse">`area/greenhouse`</a> | Issues or PRs related to code in /greenhouse (our remote bazel cache)| label | |
 | <a id="area/gubernator" href="#area/gubernator">`area/gubernator`</a> | Issues or PRs related to code in /gubernator| label | |
 | <a id="area/kind" href="#area/kind">`area/kind`</a> | Issues or PRs related to code in /kind| label | |
 | <a id="area/label_sync" href="#area/label_sync">`area/label_sync`</a> | Issues or PRs related to code in /label_sync| label | |

label_sync/labels.md

@@ -1344,11 +1344,6 @@ repos:
         name: area/gopherage
         target: both
         addedBy: humans
-      - color: 0052cc
-        description: Issues or PRs related to code in /greenhouse (our remote bazel cache)
-        name: area/greenhouse
-        target: both
-        addedBy: label
       - color: 0052cc
         description: Issues or PRs related to code in /gubernator
         name: area/gubernator