ci/scp-boot-tests: remove rdn1edgex2 test configuration

Following dea6eb1e90cac77e44f97545d41667bdce7e9f18 we remove
rdn1edgex2 from the SCP tests as well.

Change-Id: I42ee81e0f0dd6ab14f1bd6b34c25894499b6e7fc
Signed-off-by: Nicola Mazzucato <nicola.mazzucato@arm.com>
2 files changed