Summary: Thisi diff updates the CK version to > 0.31 everywhere. It also removes direct CK dependency on SampleSwift, as it doesn't use CK directly.
Reviewed By: fabiomassimo
Differential Revision: D28898898
fbshipit-source-id: 77d4cece79a0a4a51e7ac27b3ec68283740cd0b2
9210567685