Update Helm charts

1. Remove init containers which don't seem to be required
2. Update AMF image

Change-Id: Ib36e9c06f229b982d1825a103e183797191a13ec
diff --git a/omec-sub-provision/Chart.yaml b/omec-sub-provision/Chart.yaml
index eedfdf4..0140bee 100644
--- a/omec-sub-provision/Chart.yaml
+++ b/omec-sub-provision/Chart.yaml
@@ -8,4 +8,4 @@
 name: omec-sub-provision
 icon: https://guide.opencord.org/logos/cord.svg
 
-version: 0.5.1
+version: 0.5.2
diff --git a/omec-sub-provision/templates/deployment-simapp.yaml b/omec-sub-provision/templates/deployment-simapp.yaml
index 2ed0840..08bc336 100644
--- a/omec-sub-provision/templates/deployment-simapp.yaml
+++ b/omec-sub-provision/templates/deployment-simapp.yaml
@@ -35,13 +35,9 @@
       imagePullSecrets:
 {{ toYaml .Values.images.pullSecrets | indent 8 }}
     {{- end }}
-      initContainers:
-      - name: wait-simapp-module2
-        image: {{ .Values.images.repository }}{{ .Values.images.tags.init }}
-        imagePullPolicy: {{ .Values.images.pullPolicy }}
-        command: ['sh', '-c', 'until nslookup simapp; do echo waiting for simapp; sleep 4; done;']
     {{- if .Values.config.coreDump.enabled }}
-{{ tuple "simapp" . | include "omec-sub-provision.coredump_init" | indent 6 }}
+      initContainers:
+    {{ tuple "simapp" . | include "omec-sub-provision.coredump_init" | indent 6 }}
     {{- end }}
       containers:
       - name: simapp