Remove the code of old show pages (#17811)

Closes https://github.com/twentyhq/core-team-issues/issues/2213

packages/twenty-server/src/engine/core-modules/feature-flag/enums/feature-flag-key.enum.ts

@@ -5,7 +5,6 @@ export enum FeatureFlagKey {
   IS_APPLICATION_ENABLED = 'IS_APPLICATION_ENABLED',
   IS_APPLICATION_INSTALLATION_FROM_TARBALL_ENABLED = 'IS_APPLICATION_INSTALLATION_FROM_TARBALL_ENABLED',
   IS_MARKETPLACE_ENABLED = 'IS_MARKETPLACE_ENABLED',
-  IS_RECORD_PAGE_LAYOUT_ENABLED = 'IS_RECORD_PAGE_LAYOUT_ENABLED',
   IS_RECORD_PAGE_LAYOUT_EDITING_ENABLED = 'IS_RECORD_PAGE_LAYOUT_EDITING_ENABLED',
   IS_PUBLIC_DOMAIN_ENABLED = 'IS_PUBLIC_DOMAIN_ENABLED',
   IS_EMAILING_DOMAIN_ENABLED = 'IS_EMAILING_DOMAIN_ENABLED',

packages/twenty-server/src/engine/twenty-orm/entity-manager/workspace-entity-manager.spec.ts

@@ -226,7 +226,6 @@ describe('WorkspaceEntityManager', () => {
         IS_AI_ENABLED: false,
         IS_APPLICATION_ENABLED: false,
         IS_IMAP_SMTP_CALDAV_ENABLED: false,
-        IS_RECORD_PAGE_LAYOUT_ENABLED: false,
         IS_PUBLIC_DOMAIN_ENABLED: false,
         IS_EMAILING_DOMAIN_ENABLED: false,
         IS_DASHBOARD_V2_ENABLED: false,
@@ -264,7 +263,6 @@ describe('WorkspaceEntityManager', () => {
         IS_JSON_FILTER_ENABLED: false,
         IS_AI_ENABLED: false,
         IS_APPLICATION_ENABLED: false,
-        IS_RECORD_PAGE_LAYOUT_ENABLED: false,
         IS_PUBLIC_DOMAIN_ENABLED: false,
         IS_EMAILING_DOMAIN_ENABLED: false,
         IS_DASHBOARD_V2_ENABLED: false,

packages/twenty-server/src/engine/workspace-manager/dev-seeder/core/utils/seed-feature-flags.util.ts

@@ -36,11 +36,6 @@ export const seedFeatureFlags = async ({
         workspaceId: workspaceId,
         value: true,
       },
-      {
-        key: FeatureFlagKey.IS_RECORD_PAGE_LAYOUT_ENABLED,
-        workspaceId: workspaceId,
-        value: true,
-      },
       {
         key: FeatureFlagKey.IS_PUBLIC_DOMAIN_ENABLED,
         workspaceId: workspaceId,

packages/twenty-server/src/engine/workspace-manager/workspace-migration/constant/default-feature-flags.ts

@@ -4,5 +4,4 @@ export const DEFAULT_FEATURE_FLAGS = [
   FeatureFlagKey.IS_ATTACHMENT_MIGRATED,
   FeatureFlagKey.IS_NOTE_TARGET_MIGRATED,
   FeatureFlagKey.IS_TASK_TARGET_MIGRATED,
-  FeatureFlagKey.IS_RECORD_PAGE_LAYOUT_ENABLED,
 ] as const satisfies FeatureFlagKey[];