clean up toc for versioning

Author: laujan

articles/applied-ai-services/form-recognizer/toc.yml

@@ -229,7 +229,6 @@ items:
     - name: Error codes and messages v3.0
       href: v3-error-guide.md
     - name: Supported REST API v3.0 SDKs
-            Search for Form Recognizer
       items:
       - name: .NET
         href: https://azure.github.io/azure-sdk/releases/latest/dotnet.html