Remove group_wikis licensed feature flag

"Licensed"-type feature flags are being deprecated.

config/initializers/0_inject_feature_flags.rb

@@ -14,7 +14,6 @@ if Gitlab.ee? && Gitlab.dev_or_test_env?
   # being unique to licensed names. These feature flags should be reworked to
   # be "development" with explicit check
   IGNORED_FEATURE_FLAGS = %i[
-    group_wikis
     swimlanes
   ].to_set
 

doc/user/group/index.md

@@ -394,13 +394,6 @@ milestones.
 ## Group wikis **(PREMIUM)**
 
 > - [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/13195) in [GitLab Premium](https://about.gitlab.com/pricing/) 13.5.
-> - It's [deployed behind a feature flag](../feature_flags.md), enabled by default.
-> - It's enabled on GitLab.com.
-> - It's recommended for production use.
-> - For GitLab self-managed instances, GitLab administrators can opt to [disable it](#enable-or-disable-group-wikis).
-
-CAUTION: **Warning:**
-This feature might not be available to you. Check the **version history** note above for details.
 
 Group wikis work the same way as [project wikis](../project/wiki/index.md), please refer to those docs for details on usage.
 
@@ -422,25 +415,6 @@ For updates, you can follow:
 - [The epic tracking feature parity with project wikis](https://gitlab.com/groups/gitlab-org/-/epics/2782).
 - [The issue for adding the ability to move group wikis using the API](https://gitlab.com/gitlab-org/gitlab/-/issues/219003).
 
-### Enable or disable group wikis **(PREMIUM ONLY)**
-
-Group wikis are under development but ready for production use.
-It is deployed behind a feature flag that is **enabled by default**.
-[GitLab administrators with access to the GitLab Rails console](../../administration/feature_flags.md)
-can opt to disable it for your instance.
-
-To enable it:
-
-```ruby
-Feature.enable(:group_wikis)
-```
-
-To disable it:
-
-```ruby
-Feature.disable(:group_wikis)
-```
-
 ## Group Security Dashboard **(ULTIMATE)**
 
 Get an overview of the vulnerabilities of all the projects in a group and its subgroups.

ee/changelogs/unreleased/273362-remove-group-wikis-flag.yml

+---
+title: Remove group_wikis feature flag
+merge_request: 47291
+author:
+type: changed

ee/config/feature_flags/licensed/group_wikis.yml

----
-name: group_wikis
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/29176
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/207888
-milestone: '12.10'
-type: licensed
-group: group::knowledge
-default_enabled: true

ee/spec/lib/gitlab/git_access_wiki_spec.rb

@@ -23,7 +23,7 @@ RSpec.describe Gitlab::GitAccessWiki do
   end
 
   describe 'group wiki access' do
-    let_it_be(:group) { create(:group, :private, :wiki_repo) }
+    let_it_be_with_refind(:group) { create(:group, :private, :wiki_repo) }
     let(:wiki) { create(:group_wiki, group: group) }
 
     describe '#push_access_check' do

ee/spec/policies/group_policy_spec.rb

@@ -1174,7 +1174,7 @@ RSpec.describe GroupPolicy do
   end
 
   it_behaves_like 'model with wiki policies' do
-    let_it_be(:container) { create(:group_with_plan, plan: :silver_plan) }
+    let_it_be_with_refind(:container) { create(:group_with_plan, plan: :silver_plan) }
     let_it_be(:user) { owner }
 
     before_all do
@@ -1182,32 +1182,22 @@ RSpec.describe GroupPolicy do
     end
 
     before do
-      stub_application_setting(check_namespace_plan: true)
+      enable_namespace_license_check!
     end
 
     # We don't have feature toggles on groups yet, so we currently simulate
-    # this by toggling the feature flag instead.
+    # this by stubbing the license check instead.
     def set_access_level(access_level)
       case access_level
       when ProjectFeature::ENABLED
-        stub_feature_flags(group_wikis: true)
+        stub_licensed_features(group_wikis: true)
       when ProjectFeature::DISABLED
-        stub_feature_flags(group_wikis: false)
+        stub_licensed_features(group_wikis: false)
       when ProjectFeature::PRIVATE
         skip('Access level private is not supported yet for group wikis, see https://gitlab.com/gitlab-org/gitlab/-/issues/208412')
       end
     end
 
-    context 'when the feature flag is disabled on this group' do
-      before do
-        stub_feature_flags(group_wikis: create(:group))
-      end
-
-      it 'does not include the wiki permissions' do
-        expect_disallowed(*wiki_permissions[:all])
-      end
-    end
-
     context 'when the feature is not licensed on this group' do
       let_it_be(:container) { create(:group_with_plan, plan: :bronze_plan) }
 

spec/support/helpers/wiki_helpers.rb

@@ -4,7 +4,6 @@ module WikiHelpers
   extend self
 
   def stub_group_wikis(enabled)
-    stub_feature_flags(group_wikis: enabled)
     stub_licensed_features(group_wikis: enabled)
   end