crosvm: PIT: Remove debug! logs.
crosvm: PIT: Remove debug! logs.

BUG=chromium:908689
TEST=None

Change-Id: I5bd59e294b8bb48d99cac0752ddd5058987bf79c
Reviewed-on: https://chromium-review.googlesource.com/1503665
Commit-Ready: ChromeOS CL Exonerator Bot <fa429e5907f00867f797423aea74327bb02c91b6@appspot.gserviceaccount.com>
Tested-by: Miriam Zimmerman <97659187a32d9c013791f5b5fa194dfbc9da5e41@chromium.org>
Tested-by: kokoro <2ac7b1f3fa578934c95181d4272be0d3bca00121@google.com>
Reviewed-by: Zach Reizner <3374927928a53d04457674c546bd4de57c2044ec@chromium.org>

google/crosvm,google/crosvm,google/crosvm,google/crosvm