cleanup all mentions of insert

Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)

contrib/completion/bash/docker

@@ -309,14 +309,6 @@ _docker_info()
 	return
 }
 
-_docker_insert()
-{
-	local counter=$(__docker_pos_first_nonflag)
-	if [ $cword -eq $counter ]; then
-		__docker_image_repos_and_tags_and_ids
-	fi
-}
-
 _docker_inspect()
 {
 	case "$prev" in

contrib/completion/fish/docker.fish

@@ -120,10 +120,6 @@ complete -c docker -f -n '__fish_docker_no_subcommand' -a import -d 'Create a ne
 # info
 complete -c docker -f -n '__fish_docker_no_subcommand' -a info -d 'Display system-wide information'
 
-# insert
-complete -c docker -f -n '__fish_docker_no_subcommand' -a insert -d 'Insert a file in an image'
-complete -c docker -A -f -n '__fish_seen_subcommand_from insert' -a '(__fish_print_docker_images)' -d "Image"
-
 # inspect
 complete -c docker -f -n '__fish_docker_no_subcommand' -a inspect -d 'Return low-level information on a container'
 complete -c docker -A -f -n '__fish_seen_subcommand_from inspect' -s f -l format -d 'Format the output using the given go template.'

contrib/completion/zsh/_docker

@@ -139,11 +139,6 @@ __docker_subcommand () {
         (history)
             _arguments ':images:__docker_images'
             ;;
-        (insert)
-            _arguments '1:containers:__docker_containers' \
-                       '2:URL:(http:// file://)' \
-                       '3:file:_files'
-            ;;
         (kill)
             _arguments '*:containers:__docker_runningcontainers'
             ;;