Remove tabs export from index.ts to fix build error

- Removed export statement for './time-planning-actions/assigned-site/tabs'
- This directory was deleted in the revert commit
- Fixes build error: Cannot find module './time-planning-actions/assigned-site/tabs'

Co-authored-by: renemadsen <[email protected]>

Author: Copilot

eform-client/src/app/plugins/modules/time-planning-pn/components/plannings/index.ts

@@ -1,6 +1,5 @@
 export * from './time-plannings-container/time-plannings-container.component';
 export * from './time-plannings-table/time-plannings-table.component';
 export * from './time-planning-actions/assigned-site/assigned-site-dialog.component';
-export * from './time-planning-actions/assigned-site/tabs';
 export * from './time-planning-actions/workday-entity/workday-entity-dialog.component';
 export * from './time-planning-actions/download-excel/download-excel-dialog.component';