Values.extraArgs were being inserted in two places, resulting in duplication. Remove one. (#15257)

Signed-off-by: Joe Hohertz <joe@viafoura.com>

stable/external-dns/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v1
 name: external-dns
-version: 2.0.2
+version: 2.0.3
 appVersion: 0.5.15
 description: ExternalDNS is a Kubernetes addon that configures public DNS servers with information about exposed Kubernetes services to make them discoverable.
 keywords:

stable/external-dns/templates/deployment.yaml

@@ -87,13 +87,6 @@ spec:
         - --crd-source-kind={{ .Values.crd.kind }}
           {{- end }}
         {{- end }}
-        {{- range $key, $value := .Values.extraArgs }}
-          {{- if $value }}
-        - --{{ $key }}={{ $value }}
-          {{- else }}
-        - --{{ $key }}
-          {{- end }}
-        {{- end }}
         {{- range .Values.istioIngressGateways }}
         - --istio-ingress-gateway={{ . }}
         {{- end }}