Use IMAGE_LINGUAS to remove locale files
Use IMAGE_LINGUAS to remove locale files

Set the IMAGE_LINGUAS variable to empty to remove locale files instead of using
a custom postprocess command. An example of the same usage of IMAGE_LINGUAS can
be found in core-image-minimal.

Signed-off-by: Diego Rondini <f48a046fa74db96735a4084e98d9bb18d62ce377@kynetics.com>

sbabic/meta-swupdate,sbabic/meta-swupdate