Remove include of sorted_vector_types.h from Request.h
Remove include of sorted_vector_types.h from Request.h

Summary: Remove unused include of sorted_vector_types.h in Request.h

Reviewed By: yfeldblum

Differential Revision: D20903094

fbshipit-source-id: cf54ebabc102789e5629d84a138a1caf1ffa396b

facebook/folly,facebook/folly,facebook/folly,facebook/folly,facebook/folly