This variable is now redundant due to the way these image
files are staged now. The variable does not need to be
in the glossary. Removing the images is now the default
behavior.
Author: Joshua Lock <joshua.g.lock@intel.com>
(From yocto-docs rev: 049c371b44d3ef68def4ead7d1db8bf982d23c57)
Signed-off-by: Scott Rifenbark <srifenbark@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>