remove link

Author: David Curwin

articles/backup/backup-azure-troubleshoot-vm-backup-fails-snapshot-timeout.md

@@ -103,8 +103,7 @@ After you register and schedule a VM for the Azure Backup service, Backup initia
 **Cause 1: [The agent installed in the VM, but it's unresponsive (for Windows VMs)](#the-agent-installed-in-the-vm-but-unresponsive-for-windows-vms)**  
 **Cause 2: [The agent installed in the VM is out of date (for Linux VMs)](#the-agent-installed-in-the-vm-is-out-of-date-for-linux-vms)**  
 **Cause 3: [The snapshot status can't be retrieved, or a snapshot can't be taken](#the-snapshot-status-cannot-be-retrieved-or-a-snapshot-cannot-be-taken)**  
-**Cause 4: [The backup extension fails to update or load](#the-backup-extension-fails-to-update-or-load)**  
-**Cause 5: Backup service doesn't have permission to delete the old restore points because of a resource group lock** <br>
+**Cause 4: Backup service doesn't have permission to delete the old restore points because of a resource group lock** <br>
 
 ## UserErrorUnsupportedDiskSize - The configured disk size(s) is currently not supported by Azure Backup