Remove expensive logging statement. am: 84b3aa147e am: 775e966e07

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/libtextclassifier/+/17571123

Change-Id: I25abb11371160d0f88c218e157035f184fb06216
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>