remove dead function for finding eden socket
remove dead function for finding eden socket

Summary: We do this a different way now and can remove this function.

Reviewed By: eamonnkent

Differential Revision: D5905277

fbshipit-source-id: cca1a797d94f7639820a6c627be8a8b5f2526f9b

nodakai/watchman,wez/watchman,wez/watchman,kwlzn/watchman,kwlzn/watchman,wez/watchman,kwlzn/watchman,wez/watchman,wez/watchman,facebook/watchman,facebook/watchman,facebook/watchman,nodakai/watchman,facebook/watchman,nodakai/watchman,kwlzn/watchman,wez/watchman,nodakai/watchman,kwlzn/watchman,wez/watchman,kwlzn/watchman,facebook/watchman,nodakai/watchman,nodakai/watchman,facebook/watchman,facebook/watchman,wez/watchman,kwlzn/watchman,wez/watchman,facebook/watchman,nodakai/watchman,nodakai/watchman,nodakai/watchman,facebook/watchman