Summary: Removed remaining path / fs imports from Flipper core. `expand-tide` needed replacement too, but noticed that it never actually rewrites paths since all use cases were already using absolute paths, so removed it instead. Reviewed By: aigoncharov Differential Revision: D33017654 fbshipit-source-id: e12f66ef68b5f9e4279411c94445a2fb87249e9a
flipper-ui-core (TBD)
Flipper's UI, agnostic of Electron vs Browser.