## Problem
We now use the Shadcn breadcrumb everywhere but we still have the old
breadcrumb code.
## Solution
- Remove the old breadcrumb code
- Fix import paths where needed
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **Refactor**
* Consolidated UI component imports across the codebase to use unified
package entrypoints.
* Removed legacy breadcrumb component implementation in favor of
standardized components.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Gildas Garcia
2d06acd0f4