Remove obsolete channel_change and mkcrosusb commands.

crosh-workarounds

Index: crosh-workarounds
diff --git a/crosh-workarounds b/crosh-workarounds
index 9bd4b4c191281be2bd1fd93951bf54023f739adf..8e574b4a3cef4befb1e3c6f5393e44e1161858f8 100755
--- a/crosh-workarounds
+++ b/crosh-workarounds
@@ -9,44 +9,6 @@ if [ "$(basename $0)" = "crosh-workarounds" ]; then
   exec "$(dirname $0)/crosh" --workarounds
 fi
 
-HELP="$HELP"'
- mkcrosusb [-dev|-beta|-rcdev|-rcbeta]
-  Creates and installs USB stick with preferred build.
-'
-cmd_mkcrosusb() {
-  local mkcrosusb="/usr/bin/mkcrosusb"
-  if [ ! -f $mkcrosusb ]; then
-    echo "Missing $mkcrosusb" >&2
-  else
-    case "$1" in
-             -dev|-beta|-rcdev|-rcbeta|'')
-                $mkcrosusb $1
-                ;;
-             *)
-                echo "Usage: mkcrosusb [-dev|-beta|-rcdev|-rcbeta]" >&2
-    esac
-  fi
-}
-
-HELP="$HELP"'
- channel_change [--dev|--beta]
-  Changes the channel from dev to beta and vice versa.
-'
-cmd_channel_change() {
-  local channel_change="/usr/bin/channel_change"
-  if [ ! -f $channel_change ]; then
-    echo "Missing $channel_change" >&2
-  else
-    case "$1" in
-             --dev|--beta)
-                $channel_change $1
-                ;;
-             *)
-                echo "Usage: channel_change [--dev|--beta]" >&2
-    esac
-  fi
-}
-
 # Allow users to set the autoproxy used by Chrome.
 # TODO: This option should be removed once proxy settings are available in the
 # UI. The value set in the default_proxy file is passed to chrome as an