Downgrade truly minor TODO to a mere comment
Downgrade truly minor TODO to a mere comment

It's not worth keeping a P4 bug open for this.
-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=126731333

google/nomulus,google/nomulus,google/nomulus,google/nomulus,google/nomulus,google/nomulus