Disable access log by default

It doesn't particularly matter since /var/log is a tmpfs anyway but I wanted to be clear about the piratebox and privacy

piratebox_nginx.conf

@@ -14,7 +14,8 @@ http {
                       '$status $body_bytes_sent "$http_referer" '
                       '"$http_user_agent" "$http_x_forwarded_for"';
 
-    access_log  /var/log/nginx_access.log  main;
+    # useful for testin. comment out for prod
+    #access_log  /var/log/nginx_access.log  main;
 
     sendfile        on;