Remove date from Seat Link data fields

Changelog: changed
MR: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/65190
EE: true

ee/app/models/gitlab/seat_link_data.rb

@@ -40,7 +40,6 @@ module Gitlab
       {
         gitlab_version: Gitlab::VERSION,
         timestamp: timestamp.iso8601,
-        date: timestamp.to_date.to_s,
         license_key: key,
         max_historical_user_count: max_users,
         billable_users_count: billable_users_count,

ee/spec/controllers/admin/application_settings_controller_spec.rb

@@ -396,7 +396,6 @@ RSpec.describe Admin::ApplicationSettingsController do
         body = response.body
         expect(body).to start_with('<span id="LC1" class="line" lang="json">')
         expect(body).to include('<span class="nl">"license_key"</span>')
-        expect(body).to include("<span class=\"s2\">\"#{yesterday.to_date}\"</span>")
         expect(body).to include("<span class=\"s2\">\"#{yesterday.iso8601}\"</span>")
         expect(body).to include("<span class=\"mi\">#{max_count}</span>")
         expect(body).to include("<span class=\"mi\">#{current_count}</span>")

ee/spec/models/gitlab/seat_link_data_spec.rb

@@ -89,7 +89,6 @@ RSpec.describe Gitlab::SeatLinkData do
         {
           gitlab_version: Gitlab::VERSION,
           timestamp: timestamp.iso8601,
-          date: timestamp.to_date.iso8601,
           license_key: key,
           max_historical_user_count: max_users,
           billable_users_count: billable_users_count,
@@ -108,7 +107,6 @@ RSpec.describe Gitlab::SeatLinkData do
           {
             gitlab_version: Gitlab::VERSION,
             timestamp: timestamp.iso8601,
-            date: timestamp.to_date.iso8601,
             license_key: key,
             max_historical_user_count: max_users,
             billable_users_count: billable_users_count,

ee/spec/workers/sync_seat_link_request_worker_spec.rb

@@ -20,7 +20,6 @@ RSpec.describe SyncSeatLinkRequestWorker, type: :worker do
         body: {
           gitlab_version: Gitlab::VERSION,
           timestamp: '2019-12-31T23:20:12Z',
-          date: '2019-12-31',
           license_key: '123',
           max_historical_user_count: 5,
           billable_users_count: 4,
@@ -125,33 +124,6 @@ RSpec.describe SyncSeatLinkRequestWorker, type: :worker do
       end
     end
 
-    context 'with old date format string' do
-      subject(:sync_seat_link) do
-        described_class.new.perform('2020-01-01', '123', 5, 4)
-      end
-
-      it 'makes an HTTP POST request with passed params' do
-        stub_request(:post, seat_link_url).to_return(status: 200)
-
-        sync_seat_link
-
-        expect(WebMock).to have_requested(:post, seat_link_url).with(
-          headers: { 'Content-Type' => 'application/json' },
-          body: {
-            gitlab_version: Gitlab::VERSION,
-            timestamp: '2020-01-01T00:00:00Z',
-            date: '2020-01-01',
-            license_key: '123',
-            max_historical_user_count: 5,
-            billable_users_count: 4,
-            hostname: Gitlab.config.gitlab.host,
-            instance_id: Gitlab::CurrentSettings.uuid,
-            license_md5: ::License.current.md5
-          }.to_json
-        )
-      end
-    end
-
     context 'when response contains reconciliation dates' do
       let(:body) { { success: true, next_reconciliation_date: today.to_s, display_alert_from: (today - 7.days).to_s }.to_json }
       let(:today) { Date.current }