Replace 'private' with 'self-hosted' in a couple of places
Replace 'private' with 'self-hosted' in a couple of places

Docker-DCO-1.1-Signed-off-by: Jérôme Petazzoni <jerome@docker.com> (github: jpetazzo)

redpanda/cli,cpuguy83/cli,cpuguy83/cli,thaJeztah/cli,allencloud/cli,allencloud/cli,redpanda/cli,dnephin/cli,docker/cli,riyazdf/cli,e11137/cli,riyazdf/cli,ashfall/cli,ashfall/cli,thaJeztah/cli,Zebrilee/cli,Zebrilee/cli,docker/cli,dnephin/cli,e11137/cli