simplify postgresql folder setup

charts/stable/postgresql/templates/backup-postgres-config.yaml

@@ -12,4 +12,4 @@ data:
     until pg_isready; do
       sleep 5;
     done;
-    pg_dump -U $POSTGRES_USER -d {{ .Values.postgresqlDatabase }} > /backups/$BACKUP_NAME;
+    pg_dump -U $POSTGRES_USER -d {{ .Values.postgresqlDatabase }} > /dbbackups/$BACKUP_NAME;

charts/stable/postgresql/templates/upgrade-backup-postgres-hook.yaml

@@ -25,8 +25,6 @@ spec:
         env:
           - name: BACKUP_NAME
             value: {{- printf "postgres-backup-from-%s-to-%s-revision-%d" $upgradeDict.oldChartVersion $upgradeDict.newChartVersion (int64 $upgradeDict.preUpgradeRevision) -}}
-          - name: PGDATA
-            value: {{ .Values.pgdatapath | quote }}
           - name: POSTGRES_USER
             value: {{ .Values.postgresqlUsername | quote  }}
           - name: POSTGRES_DB
@@ -55,4 +53,4 @@ spec:
         {{- nindent 2 . }}
       {{- end }}
 {{- end -}}
-{{- end -}}
+{{- end -}}