post-build-lava: remove the job

post-build-lava has been deprecated in favor of SQUAD integration.

Adjust the filenames related to LAVA/SQUAD to be more meaningful:
 * test.groovy -> postbuild.groovy
 * test.sh -> squad.sh
 * post-build-lava.param -> lava.param

Signed-off-by: Fathi Boudra <fathi.boudra@linaro.org>
Change-Id: Idfda3f1fe6944e2b2f94b7c09fbe568de5a519cd
8 files changed