Replace IRC with Discord
Replace IRC with Discord

Discord has more users. IRC traffic has ground to a halt.

Signed-off-by: Bruce Mitchell <ae4c908462ad462c4d8de7aa12850dcd07da5394@linux.vnet.ibm.com>
Change-Id: I093a5be568fb51ee034575baa78c4f02e43d3274

openbmc/phosphor-networkd,openbmc/phosphor-networkd