Change Details

Finally, remove the `p2p_port` and `rpc_port` global functions, and the global `PortSeed.n` state. Depends on D2163

Finally, remove the `p2p_port` and `rpc_port` global functions, and the global `PortSeed.n` state. Depends on D2165

Finally, remove the `p2p_port` and `rpc_port` global functions, and the global `PortSeed.n` state. Depends on D21635