Revert D15073229: [folly] detect at runtime whether SKIP should fail
Revert D15073229: [folly] detect at runtime whether SKIP should fail

Differential Revision:
D15073229

Original commit changeset: 417a1f4e42d0

fbshipit-source-id: 689b010627482e9a05f3dd34e89baae485875025

facebook/folly,facebook/folly,facebook/folly,facebook/folly,facebook/folly