[hack] Revert changes to hhi/.merlin and ppx/.merlin
[hack] Revert changes to hhi/.merlin and ppx/.merlin

Summary: Revert these files.

Reviewed By: arxanas

Differential Revision: D16696480

fbshipit-source-id: c0a0d2d81ca024e322c0bd4e718dee85a201cfea

facebook/flow,mroch/flow,gabelevi/flow,samwgoldman/flow,mroch/flow,samwgoldman/flow,mroch/flow,samwgoldman/flow,gabelevi/flow,mroch/flow,samwgoldman/flow,gabelevi/flow,gabelevi/flow,mroch/flow,facebook/flow,samwgoldman/flow,facebook/flow,facebook/flow,facebook/flow,facebook/flow,mroch/flow,gabelevi/flow,gabelevi/flow,gabelevi/flow,samwgoldman/flow,facebook/flow,mroch/flow,samwgoldman/flow