Revert "One last try to fix the OS X builder on Travis."
Revert "One last try to fix the OS X builder on Travis."

It didn't work :(

This reverts commit b779cddef4a5a32a2f3d993a3322ec9177f09dc3.

ProtonMail/libui,sclukey/libui,ProtonMail/libui,sclukey/libui,tbodt/libui,tbodt/libui,ProtonMail/libui