Remove FF hide_token_from_runners_api

changelogs/unreleased/217105-remove-FF-hide_token_from_runners_api.yml

+---
+title: Remove FF hide_token_from_runners_api
+merge_request: 33947
+author:
+type: other

lib/api/entities/runner_details.rb

@@ -11,13 +11,6 @@ module API
       expose :version, :revision, :platform, :architecture
       expose :contacted_at
 
-      # Will be removed: https://gitlab.com/gitlab-org/gitlab/-/issues/217105
-      expose(:token, if: ->(runner, options) do
-        return false if ::Feature.enabled?(:hide_token_from_runners_api, default_enabled: true)
-
-        options[:current_user].admin? || !runner.instance_type?
-      end)
-
       # rubocop: disable CodeReuse/ActiveRecord
       expose :projects, with: Entities::BasicProjectDetails do |runner, options|
         if options[:current_user].admin?

spec/requests/api/runners_spec.rb

@@ -326,32 +326,6 @@ describe API::Runners do
         expect(response).to have_gitlab_http_status(:unauthorized)
       end
     end
-
-    context 'FF hide_token_from_runners_api is enabled' do
-      before do
-        stub_feature_flags(hide_token_from_runners_api: true)
-      end
-
-      it "does not return runner's token" do
-        get api("/runners/#{shared_runner.id}", admin)
-
-        expect(response).to have_gitlab_http_status(:ok)
-        expect(json_response).not_to have_key('token')
-      end
-    end
-
-    context 'FF hide_token_from_runners_api is disabled' do
-      before do
-        stub_feature_flags(hide_token_from_runners_api: false)
-      end
-
-      it "returns runner's token" do
-        get api("/runners/#{shared_runner.id}", admin)
-
-        expect(response).to have_gitlab_http_status(:ok)
-        expect(json_response).to have_key('token')
-      end
-    end
   end
 
   describe 'PUT /runners/:id' do