feat(neoverse_rd): deprecate and remove RD-V1 platform variants

deprecate and remove support for RD-V1 and RD-V1-MC platform variants.

Signed-off-by: Rohit Mathew <rohit.mathew@arm.com>
Change-Id: Ifab7b95e00615806986e316e0bde7788dc8af04f
31 files changed