Remove minification spam

searchbox_api.js uses a Chrome extension to Javascript. This is not understood by the Closure compiler, so was giving errors when grit attempted to minify it. To prevent this don't minify this file.

BUG=644392

Review-Url: https://codereview.chromium.org/2337253002
Cr-Commit-Position: refs/heads/master@{#427033}
3 files changed