Revert "[Releng] Update RCP signing behavior"

This reverts commit 6449eace6395b7e0f00d6f9abf35287ad958284f.

Change-Id: Iae86e55f3ae8bda06c1c24b6c6e71bbab7faa111
Signed-off-by: Quentin Le Menez <quentin.lemenez@cea.fr>
3 files changed