How can I remove the Manage User Details link from the Edit Partner Contact page?

To remove the Manage User Details link from the Edit Partner Contact page, use Application Composer.

1. Create a sandbox with Application Composer enabled as a tool.

2. In Application Composer, expand Objects > Standard Objects > Contact > Pages.

3. In the Edit Partner Contact region > Edit Subtab: Summary region, open a custom layout and remove the cl4 link from the Selected Fields list.

4. Publish your sandbox.