Use older Redis cookbook, install on bitcoin-2

cookbooks/redisio/templates/default/sentinel.conf.erb

@@ -11,14 +11,10 @@ syslog-ident redis-<%= @name %>
 syslog-facility <%= @syslogfacility %>
 <%= "logfile #{@logfile}" unless @logfile.nil? %>
 
+# bind sentinel IP
 <% if @sentinel_bind %>
 bind <%=@sentinel_bind%>
 <% end %>
-
- <% if @protected_mode %>
-<%= "protected-mode #{@protected_mode}" %>
-<% end %>
-
 # port <sentinel-port>
 # The port that this sentinel instance will run on
 port <%=@sentinel_port%>