D2751: cbor: remove unrequired files and fix core test-check*

[indygreg (Gregory Szorc)]

indygreg accepted this revision.
indygreg added a comment.
This revision is now accepted and ready to land.


  I'm going to fold the deletes into the previous commit and rewrite the commit message of this one accordingly.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D2751

To: pulkit, #hg-reviewers, indygreg
Cc: indygreg, mercurial-devel