This stops printing a log line for when a lookup in the optimized code
map did not yield a result. Logging such a negative result that will
inevitably trigger a compile anyways has little benefit and just spams
the console unnecessarily.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/1904433002

Cr-Commit-Position: refs/heads/master@{#35623}