net/dpdk: Move net/dpdk-22.11 to net/dpdk

net/dpdk was about to expire in lieu of net/dpdk-22.11. So move
net/dpdk-22.11 to dpdk.

When there are multiple versions in the ports tree always keep the most
latest stable version without the suffix/prefix and adjust accordingly
for other versions.

Approved by: portmgr (blanket)