Remove deployments_archive feature flag

This commit cleans up the feature flag, which
is deemed stable.

Changelog: changed

app/models/deployment.rb

@@ -107,10 +107,7 @@ class Deployment < ApplicationRecord
       deployment.run_after_commit do
         Deployments::UpdateEnvironmentWorker.perform_async(id)
         Deployments::LinkMergeRequestWorker.perform_async(id)
-
-        if ::Feature.enabled?(:deployments_archive, deployment.project, default_enabled: :yaml)
-          Deployments::ArchiveInProjectWorker.perform_async(deployment.project_id)
-        end
+        Deployments::ArchiveInProjectWorker.perform_async(deployment.project_id)
       end
     end
 

app/services/deployments/archive_in_project_service.rb

@@ -7,10 +7,6 @@ module Deployments
     BATCH_SIZE = 100
 
     def execute
-      unless ::Feature.enabled?(:deployments_archive, project, default_enabled: :yaml)
-        return error('Feature flag is not enabled')
-      end
-
       deployments = Deployment.archivables_in(project, limit: BATCH_SIZE)
 
       return success(result: :empty) if deployments.empty?

config/feature_flags/development/deployments_archive.yml

----
-name: deployments_archive
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/73628
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/345027
-milestone: '14.5'
-type: development
-group: group::release
-default_enabled: true

doc/ci/environments/index.md

@@ -774,10 +774,8 @@ fetch = +refs/environments/*:refs/remotes/origin/environments/*
 ### Archive Old Deployments
 
 > - [Introduced](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/73628) in GitLab 14.5.
-> - [Enabled on GitLab.com and self-managed](https://gitlab.com/gitlab-org/gitlab/-/issues/337507) in GitLab 14.6.
-
-FLAG:
-On self-managed GitLab, by default this feature is available. To hide the feature per project or for your entire instance, ask an administrator to [disable the feature flag](../../administration/feature_flags.md) named `deployments_archive`. On GitLab.com, this feature is available.
+> - [Enabled on GitLab.com and self-managed](https://gitlab.com/gitlab-org/gitlab/-/issues/345027) in GitLab 14.6.
+> - [Generally available](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/73628) in GitLab 14.0. [Feature flag `deployments_archive`](https://gitlab.com/gitlab-org/gitlab/-/issues/345027) removed.
 
 When a new deployment happens in your project,
 GitLab creates [a special Git-ref to the deployment](#check-out-deployments-locally).

spec/services/deployments/archive_in_project_service_spec.rb

@@ -50,17 +50,6 @@ RSpec.describe Deployments::ArchiveInProjectService do
         end
       end
 
-      context 'when deployments_archive feature flag is disabled' do
-        before do
-          stub_feature_flags(deployments_archive: false)
-        end
-
-        it 'does not do anything' do
-          expect(subject[:status]).to eq(:error)
-          expect(subject[:message]).to eq('Feature flag is not enabled')
-        end
-      end
-
       def deployment_refs_exist?
         deployment_refs.map { |path| project.repository.ref_exists?(path) }
       end