Remove node-find-files dependency.
Remove node-find-files dependency.

Summary: Closes https://github.com/facebook/jest/pull/596

Reviewed By: svcscm

Differential Revision: D2622521

fb-gh-sync-id: 8a855ff303df209a0bbc8b30771051794f262e2e

gagoman/jest,razh/jest,Daniel15/jest,ide/jest,ncuillery/jest,sampepose/jest,razh/jest,cpojer/jest,bookman25/jest,facebook/jest,gagoman/jest,cpojer/jest,blainekasten/jest,mpontus/jest,ide/jest,alvinsj/jest,aaron-goshine/jest,yungsters/jest,bookman25/jest,cpojer/jest,Daniel15/jest,yungsters/jest,ide/jest,facebook/jest,sampepose/jest,skovhus/jest,facebook/jest,aaron-goshine/jest,skawian/jest,blainekasten/jest,skovhus/jest,Daniel15/jest,skawian/jest,blainekasten/jest,mpontus/jest,mpontus/jest,alvinsj/jest,skovhus/jest,bookman25/jest,aaron-goshine/jest,ncuillery/jest