Removed ADE CLI reference file.

Author: RoseHJM

articles/deployment-environments/reference-deployment-environment-cli.md

@@ -60,7 +60,7 @@ items:
   items: 
     - name: Create environments with Azure Developer CLI (AZD)
       href: how-to-create-environment-with-azure-developer.md
-    - name: ADE extensibility model for custom images
+    - name: ADE extensibility model for ARM/Bicep images
       href: how-to-configure-extensibility-custom-runner.md
       displayName: custom image, custom runner, extensibility  
     - name: Manage environments in the developer portal