meta-agl-core: remove rng-tools bbappend
The rng-tools patches are now being applied in the upstream recipe in
dunfell 3.1.6, so the local bbappend and patches can now be dropped.
Bug-AGL: SPEC-3840
Signed-off-by: Scott Murray <scott.murray@konsulko.com>
Change-Id: Id431d9e5259fd78d6f36934ed4839ef4aa35ba2b
Reviewed-on: https://gerrit.automotivelinux.org/gerrit/c/AGL/meta-agl/+/26146
Tested-by: Jenkins Job builder account
ci-image-build: Jenkins Job builder account
ci-image-boot-test: Jenkins Job builder account
Reviewed-by: Julien Massot <julien.massot@iot.bzh>
Reviewed-by: Jan-Simon Moeller <jsmoeller@linuxfoundation.org>