Remove memcache setup from interactive.py script
Remove memcache setup from interactive.py script

Memcache integration with remote_api has been added in the latest
AppEngine release, so we no longer have to use the stub.

MatthewWilkes/mw4068-packaging,MatthewWilkes/mw4068-packaging,MatthewWilkes/mw4068-packaging,MatthewWilkes/mw4068-packaging