remove # userful links from main one

Author: Luiscatalan

cloud-infrastructure/networking/README.md

@@ -9,7 +9,7 @@ Oracle Cloud Infrastructure (OCI) networking and connectivity products and servi
 2. [Team Publications](#team-publications)
 3. [Reusable Assets Overview](#reusable-assets-overviewdef)
 
-## Useful Links
+# Useful Links
 
 - [OCI Networking](https://www.oracle.com/cloud/networking/)
 - [Network Command Center Services](https://docs.oracle.com/en-us/iaas/Content/Network/Concepts/net_command_center.htm)