Skip email/calendar tab creation for custom object record page layouts (#19544)

## Context
Emails and calendars can only be associated with specific objects
(companies, people...) and we were adding those tabs for all custom
objects. I'm removing these from the default config

packages/twenty-server/src/engine/metadata-modules/object-metadata/utils/compute-flat-default-record-page-layout-to-create.util.ts

@@ -38,8 +38,6 @@ export const computeFlatDefaultRecordPageLayoutToCreate = ({
     { key: 'tasks' as const, widgetKey: 'tasks' as const },
     { key: 'notes' as const, widgetKey: 'notes' as const },
     { key: 'files' as const, widgetKey: 'files' as const },
-    { key: 'emails' as const, widgetKey: 'emails' as const },
-    { key: 'calendar' as const, widgetKey: 'calendar' as const },
   ];
 
   const pageLayoutTabs: FlatPageLayoutTab[] = [];