remove on-prem from docs

Author: AdiSai

fern/docs.yml

@@ -565,10 +565,6 @@ navigation:
               - section: Enterprise
                 path: enterprise/plans.mdx
                 icon: fa-light fa-building-shield
-                contents:
-                  - page: On-prem deployments
-                    path: enterprise/onprem.mdx
-                    icon: fa-light fa-server
               - page: Glossary
                 path: glossary.mdx
                 icon: fa-light fa-book-open