thrift: remove expensive header
thrift: remove expensive header

Summary: in `Monitor.h` drop `utility.hpp`; but do add `noncopyable.hpp` which is needed.

Reviewed By: yfeldblum

Differential Revision: D7164962

fbshipit-source-id: 46afa274904e166528786fe40d283efdbf7aebda

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