Remove broadcast messages from internal API

The broadcast messages have been added to the `post_receive` endpoint
in https://gitlab.com/gitlab-org/gitlab-foss/merge_requests/13916. So
these endpoints are no longer used

doc/development/internal_api.md

@@ -215,17 +215,6 @@ Example response:
 - GitLab Geo
 - GitLab-shell's `bin/check`
 
-## Broadcast message(s) [NOT USED]
-
-```
-GET /internal/broadcast_message
-GET /internal/broadcast_messages
-```
-
-**Deprecated:** This used to be used by GitLab-shell to print out broadcast
-messages. But this is now included in the `post_receive` call. Other
-clients can use the public BroadcastMessages API.
-
 ## Get new 2FA recovery codes using an SSH key
 
 This is called from GitLab-shell and allows users to get new 2FA

lib/api/internal/base.rb

@@ -148,22 +148,6 @@ module API
           }
         end
 
-        get "/broadcast_messages" do
-          if messages = BroadcastMessage.current
-            present messages, with: Entities::BroadcastMessage
-          else
-            []
-          end
-        end
-
-        get "/broadcast_message" do
-          if message = BroadcastMessage.current&.last
-            present message, with: Entities::BroadcastMessage
-          else
-            {}
-          end
-        end
-
         # rubocop: disable CodeReuse/ActiveRecord
         post '/two_factor_recovery_codes' do
           status 200

spec/requests/api/internal/base_spec.rb

@@ -43,61 +43,6 @@ describe API::Internal::Base do
     end
   end
 
-  describe 'GET /internal/broadcast_message' do
-    context 'broadcast message exists' do
-      let!(:broadcast_message) { create(:broadcast_message, starts_at: 1.day.ago, ends_at: 1.day.from_now ) }
-
-      it 'returns one broadcast message' do
-        get api('/internal/broadcast_message'), params: { secret_token: secret_token }
-
-        expect(response).to have_gitlab_http_status(200)
-        expect(json_response['message']).to eq(broadcast_message.message)
-      end
-    end
-
-    context 'broadcast message does not exist' do
-      it 'returns nothing' do
-        get api('/internal/broadcast_message'), params: { secret_token: secret_token }
-
-        expect(response).to have_gitlab_http_status(200)
-        expect(json_response).to be_empty
-      end
-    end
-
-    context 'nil broadcast message' do
-      it 'returns nothing' do
-        allow(BroadcastMessage).to receive(:current).and_return(nil)
-
-        get api('/internal/broadcast_message'), params: { secret_token: secret_token }
-
-        expect(response).to have_gitlab_http_status(200)
-        expect(json_response).to be_empty
-      end
-    end
-  end
-
-  describe 'GET /internal/broadcast_messages' do
-    context 'broadcast message(s) exist' do
-      let!(:broadcast_message) { create(:broadcast_message, starts_at: 1.day.ago, ends_at: 1.day.from_now ) }
-
-      it 'returns active broadcast message(s)' do
-        get api('/internal/broadcast_messages'), params: { secret_token: secret_token }
-
-        expect(response).to have_gitlab_http_status(200)
-        expect(json_response[0]['message']).to eq(broadcast_message.message)
-      end
-    end
-
-    context 'broadcast message does not exist' do
-      it 'returns nothing' do
-        get api('/internal/broadcast_messages'), params: { secret_token: secret_token }
-
-        expect(response).to have_gitlab_http_status(200)
-        expect(json_response).to be_empty
-      end
-    end
-  end
-
   describe 'GET /internal/two_factor_recovery_codes' do
     it 'returns an error message when the key does not exist' do
       post api('/internal/two_factor_recovery_codes'),