Commit from Mozilla Verbatim by user ibai@oihanguren.com.: 335 of 335 strings translated (0 fuzzy).
remove `window.performance.now` polyfill in favour of polyfill in `marketplace-core-modules` (bug 1090572)
Merge pull request #811 from cvan/remove-perfnow-polyfill

remove `window.performance.now` polyfill in favour of polyfill in `marketplace-core-modules` (bug 1090572)
linefit desktop navbar (bug 1084016)