remove dump files from slaves - 0 starts as master and its dump file

should be considered the master copy

Chart.yaml

 apiVersion: v1
 name: osuredis
-version: 1.0.3
+version: 1.0.4
 description: "Helm chart for deploying one of the OCIO Middleware's standard Redis instances"
 keywords:
   - "redis"

templates/redis-ss.yaml

@@ -52,6 +52,7 @@ spec:
                cat /templates/sentinel.template.conf | sed \"s/\\[\\[NODEID\\]\\]/${NODEID}/g\" >/data/sentinel.conf;
                echo '' >>/data/redis.conf;
                if [ \"$NODEID\" != '0' ]; then
+                 rm -f dump.rdb;
                  echo 'slaveof osuredis-{{.Values.appName}}-0.{{.Release.Namespace}}.svc.cluster.local 6379' >>/data/redis.conf;
                fi"
           volumeMounts: