Fix HackMD did not work with external PostgreSQL (#6294)

stable/hackmd/Chart.yaml

@@ -1,6 +1,6 @@
 name: hackmd
 apiVersion: v1
-version: "0.1.0"
+version: "0.1.1"
 appVersion: "1.0.1"
 description: Realtime collaborative markdown notes on all platforms.
 icon: https://hackmd.io/favicon.png

stable/hackmd/templates/_helpers.tpl

@@ -47,6 +47,6 @@ Determine database host based on use of postgresql dependency.
 {{- if .Values.postgresql.install -}}
 {{- template "hackmd.postgresql.fullname" . -}}
 {{- else -}}
-{{- .Values.postgresql.postgresHost | quote -}}
+{{- .Values.postgresql.postgresHost -}}
 {{- end -}}
 {{- end -}}