How to delete a Private Network
Click VPC in the Network section of the side menu.
Each Private Network exists within a VPC.
Click the VPC containing the Private Network you want to delete.
A list of your Private Networks in this VPC displays:
Click the «See more Icon» icon next to the Private Network you want to delete, then click Delete on the pop-up menu.
A screen displays asking you to confirm that you want to delete the network, and that you have detached all resources from it.
Type DELETE and click Delete Private Network.
Your Private Network is deleted.