AETHER-575 Make SPGW settings configurable

Also remove unnecessary ZMQ releated configs from SPGW and enable
multi-upfs always.

Change-Id: I68741669b8db7c221c41814f55146d54fd17c81b
diff --git a/omec/omec-control-plane/Chart.yaml b/omec/omec-control-plane/Chart.yaml
index ca7a7bb..a0aac72 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: 0.3.5
+version: 0.4.0