Remove double filename logging am: b86f89cc81

Original change: https://android-review.googlesource.com/c/platform/system/update_engine/+/2525821

Change-Id: I14e347bee47c61499d6b953d3ede6e773c453b1c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>