layer.conf: add ca-certificates-java to SIGGEN_EXCLUDERECIPES_ABISAFE
layer.conf: add ca-certificates-java to SIGGEN_EXCLUDERECIPES_ABISAFE

Same as ca-certificates in openembedded-core

Signed-off-by: André Draszik <4a4cb09e7b43b167f95b1dc166b9a7dec9f65d7c@jci.com>
Signed-off-by: Maxin B. John <4470e5a3cfbc7ff75506df1ae89969a0d8cce1df@intel.com>

rehsack/meta-java,rehsack/meta-java,rehsack/meta-java,rehsack/meta-java,rehsack/meta-java