feat(rde1edge): remove support for RD-E1-Edge

As RD-E1_Edge is no longer actively supported and has been in the
deprecated list for a while, remove its support.

Signed-off-by: Rohit Mathew <Rohit.Mathew@arm.com>
Change-Id: Iff66ad498dd99e44e2e6b79251ba2cbefbd5f3eb
12 files changed