chore: remove RD-N1-Edge model support from Open-CI

This change removes support for the RD-N1 model in Open-CI, as this
platform has been deprecated. This model is still used by the SCP boot
tests, so support remains in the internal CI.

Change-Id: Ifb2017c8f6fe4f0e208e549e27a9ca62e236940f
Signed-off-by: Chris Kay <chris.kay@arm.com>
diff --git a/fvp_utils.sh b/fvp_utils.sh
index f4bb71c..8a8d9eb 100644
--- a/fvp_utils.sh
+++ b/fvp_utils.sh
@@ -58,7 +58,6 @@
 
 # CSS model list
 fvp_morello="fvp:fvp_morello_0.11_33;/opt/model/FVP_Morello/models/Linux64_GCC-6.4"
-fvp_rd_n1_edge="fvp:fvp_rd_n1_edge_${model_version}_${model_build};/opt/model/FVP_RD_N1_edge/models/${model_flavour}"
 fvp_rd_v1="fvp:fvp_rd_v1_${model_version}_${model_build};/opt/model/FVP_RD_V1/models/${model_flavour}"
 fvp_tc1="fvp:fvp_tc1_${model_version}_${model_build};/opt/model/FVP_TC1/models/${model_flavour}"
 fvp_tc2="fvp:fvp_tc2_11.20_24;/opt/model/FVP_TC2/models/${model_flavour}"
@@ -109,7 +108,6 @@
 [neoverse_n2]="${fvp_arm_std_library_11_16};FVP_Base_Neoverse-N1x4"
 [neoverse-v1x4]="${fvp_arm_std_library};FVP_Base_Neoverse-V1"
 [morello]="${fvp_morello};FVP_Morello"
-[css-rdn1edgex2]="${fvp_rd_n1_edge};FVP_RD_N1_edge_dual"
 [css-rdv1]="${fvp_rd_v1};FVP_RD_V1"
 [tc1]="${fvp_tc1};FVP_TC1"
 [tc2]="${fvp_tc2};FVP_TC2"