Remove empty directories.
Remove empty directories.

* platform/editing: Removed.
* platform/editing/inserting: Removed.
* websocket: Removed.
* websocket/tests: Removed.
* websocket/tests/workers: Removed.


git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@120515 bbb929c8-8fbe-4397-9dbb-9b2b20218538
primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs