Removed the need for an extra python file. i

- Formatted for consistency
- Used different variables for juju directory

cluster/juju/return-node-ips.py

@@ -1,12 +0,0 @@
-#!/usr/bin/env python
-import json
-import sys
-# This script helps parse out the private IP addreses from the
-# `juju run` command's JSON object, see cluster/juju/util.sh
-
-if len(sys.argv) > 1:
-    # It takes the JSON output as the first argument.
-    nodes = json.loads(sys.argv[1])
-    # There can be multiple nodes to print the Stdout.
-    for num in nodes:
-        print num['Stdout'].rstrip()