AdditionalHelpMessage set in command annotations, removed env var check
AdditionalHelpMessage set in command annotations, removed env var check

Signed-off-by: Guillaume Tardif <fdb6d90518c0d82cc6b9e4626ba807cce7a41bc7@gmail.com>
cpuguy83/cli,cpuguy83/cli,thaJeztah/cli,docker/cli,thaJeztah/cli,docker/cli