stabilize catalog

Identify volatile stdout from examples
to make site/user/api/catalog.htm the same from one run to
the next.

Remove a debugging printf from mdOut.cpp

Docs-Preview: https://skia.org/?cl=83941
Bug: skia:6898
Change-Id: I52c7527394e00934f57bb6c02ff33b422f4770ca
Reviewed-on: https://skia-review.googlesource.com/83941
Commit-Queue: Cary Clark <caryclark@skia.org>
Reviewed-by: Cary Clark <caryclark@skia.org>
3 files changed