Remove bad DCHECK in BinaryProtocolWriter
Remove bad DCHECK in BinaryProtocolWriter

Reviewed By: clairezhang-fb

Differential Revision: D25656293

fbshipit-source-id: 9138918f9322df5133b3691b47e321708c07cc58

facebook/fbthrift,facebook/fbthrift,facebook/fbthrift,facebook/fbthrift,facebook/fbthrift,facebook/fbthrift,facebook/fbthrift,facebook/fbthrift,facebook/fbthrift