Remove note from docker version 1.3 on Env variables
Remove note from docker version 1.3 on Env variables

Fixes #14734

Signed-off-by: Ankush Agarwal <fbce221e53f28a6368ebb5e0aa2ee1c79ff12e9e@gmail.com>

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