Update py_scripts to be in line with pip standards

Signed-off-by: Matthew Stidham <stidmatt@gmail.com>

py-scripts/create_bridge.py

@@ -14,11 +14,9 @@ if sys.version_info[0] != 3:
 
 if 'py-json' not in sys.path:
     sys.path.append(os.path.join(os.path.abspath('..'), 'py-json'))
-import LANforge
 from LANforge.lfcli_base import LFCliBase
 from LANforge import LFUtils
 from realm import Realm
-import time
 import pprint