tf-stage2: Remove no longer needed openid client for buildbot PoC

The PoC has concluded.

This reverts commit c56fbb55 (tf/keycloak: Add openid client for buildbot, 2022-09-01).

tf-stage2/keycloak.tf

@@ -1025,29 +1025,3 @@ resource "keycloak_openid_group_membership_protocol_mapper" "group_membership_ma
 
   claim_name = "groups"
 }
-
-resource "keycloak_openid_client" "buildbot_openid_client" {
-  realm_id  = "archlinux"
-  client_id = "openid_buildbot"
-
-  name    = "Buildbot"
-  enabled = true
-
-  access_type           = "PUBLIC"
-  standard_flow_enabled = true
-  valid_redirect_uris = [
-    "https://buildbot.pkgbuild.com/*",
-    "http://127.0.0.1:5000/*",
-  ]
-}
-
-resource "keycloak_openid_user_realm_role_protocol_mapper" "buildbot_user_realm_role_mapper" {
-  realm_id  = "archlinux"
-  client_id = keycloak_openid_client.buildbot_openid_client.id
-  name      = "user realms"
-
-  claim_name          = "roles"
-  multivalued         = true
-  add_to_id_token     = false
-  add_to_access_token = false
-}