Remove dead includes in thrift/example
Remove dead includes in thrift/example

Reviewed By: yfeldblum

Differential Revision: D26824645

fbshipit-source-id: 2ad7adfa91933b056a46befb6a3aa8b5d372ef92

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