Revert "Enable HeaderClientChannel upgrade to Rocket"
Revert "Enable HeaderClientChannel upgrade to Rocket"

Summary: This is causing problems for GO servers.

Reviewed By: pmazzini

Differential Revision: D29684919

fbshipit-source-id: fae8b08d4e49ededb2ba7ced35de8a65921b8684

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