Change GUI and GUI2 to be apps rather than core features

Change-Id: I862e5bdbccc29fd78716159e168e7a14bc5053e1
diff --git a/tools/test/cells/ec2 b/tools/test/cells/ec2
index 3d64be2..842f59d 100644
--- a/tools/test/cells/ec2
+++ b/tools/test/cells/ec2
@@ -15,4 +15,4 @@
 export OC6=192.168.200.106
 export OC7=192.168.200.107
 
-export ONOS_APPS="drivers,null,intentperf"
+export ONOS_APPS="gui,drivers,null,intentperf"