Rm refcode for Syncronized::operator->
Rm refcode for Syncronized::operator->

Summary: It doesn't compile, since it's deprecated, so the example file was removed. However, the refcode remains.

Differential Revision: D37854634

fbshipit-source-id: 4ecff3882c024dba68de7f2273c65bc6e512ede8

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