content/static: remove + symbol from popular search terms link
Fixes a typo in the popular search term links.
<div class="HomepageNew-popularSearches">
<span>POPULAR SEARCHES:</span>
<a href="/search?q=logrus">"logrus"</a>
- <a href="/search?q=yaml+OR+json">"yaml+OR+json"</a>
+ <a href="/search?q=yaml+OR+json">"yaml OR json"</a>
<a href="/search?q=go%2Fpackages">"go/packages"</a>
</div>
</div>
