Make DestructorCheck::Safety no-copy, no-move
Make DestructorCheck::Safety no-copy, no-move

Summary: It's not safe because of how it manipulates the linked list.  The intended usage is to declare it locally on the stack

Reviewed By: yfeldblum

Differential Revision: D5267507

fbshipit-source-id: 07a55eaee2c6a266bb233432f6a3383236594195

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