Comment out debug prints in SkFontMgr_custom_directory

Bug: skia:
Change-Id: I94354f3a206572d36fc376b2852e710f56122d3a
Reviewed-on: https://skia-review.googlesource.com/c/169386
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>
1 file changed