Update TOC.yml

Remove page

Author: AruneemaXD

defender-endpoint/TOC.yml

@@ -458,8 +458,6 @@
             href: health-status.md
           - name: Troubleshoot cloud connectivity issues
             href: linux-support-connectivity.md
-          - name: Troubleshoot RHEL installation issues
-            href: linux-support-rhel.md
           - name: Troubleshoot performance issues
             href: linux-support-perf.md
           - name: Troubleshoot missing events issues