fix: remove nrd files

They are never referenced and so are unneeded. Their references were
removed with 9faf861b, afb65d39, and 8a2b4559.

Signed-off-by: Boyan Karatotev <boyan.karatotev@arm.com>
Change-Id: Idebb0c0639246f22a37d85a561485f5564853a63
8 files changed