updating sd-core helm chart to point to new images. Also making 5G core install as
default option.

Change-Id: Iaec8823c5eb15529a5c3dfa9e9aca0f945bf9f90
diff --git a/omec/omec-control-plane/Chart.yaml b/omec/omec-control-plane/Chart.yaml
index 5d89bd3..c3d3748 100644
--- a/omec/omec-control-plane/Chart.yaml
+++ b/omec/omec-control-plane/Chart.yaml
@@ -10,4 +10,4 @@
 name: omec-control-plane
 icon: https://guide.opencord.org/logos/cord.svg
 
-version: 0.6.17
+version: 0.6.18