Remove additional _helpers files

Helm by default creates some useful templates in _helpers.tpl
file. This is fine for stand alone charts but when they become
part of ONAP those helpers are no longer needed as our common
components already provides all required functions

Issue-ID: OOM-2278
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Change-Id: I659e4b45b031e87cc87f7bbbb22bf9e23cd74e61
diff --git a/kubernetes/contrib/charts/netbox/templates/ingress.yaml b/kubernetes/contrib/charts/netbox/templates/ingress.yaml
index dacea0c..73ad2ff 100755
--- a/kubernetes/contrib/charts/netbox/templates/ingress.yaml
+++ b/kubernetes/contrib/charts/netbox/templates/ingress.yaml
@@ -14,14 +14,14 @@
 # limitations under the License.
 */}}
 {{- if .Values.ingress.enabled -}}
-{{- $serviceName := include "fullname" . -}}
+{{- $serviceName := include "common.fullname" . -}}
 {{- $servicePort := .Values.service.externalPort -}}
 apiVersion: extensions/v1beta1
 kind: Ingress
 metadata:
-  name: {{ template "fullname" . }}
+  name: {{ $serviceName }}
   labels:
-    app: {{ template "name" . }}
+    app: {{ include "common.name" . }}
     chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
     release: {{ .Release.Name }}
     heritage: {{ .Release.Service }}