As `grep` echoes the output, no need to have `set -x` on this script,
make output smaller and cleaner.
Signed-off-by: Justin Cormack <justin.cormack@docker.com>
Missed these before, noticed while making a new one.
Also a copy paste error left one shasum incorrect.
Signed-off-by: Justin Cormack <justin.cormack@docker.com>