Quick little script to hide the author from search results using JS:
$('.search-result-meta').each(function() {
var newSearchMeta = $(this).html();
newSearchMeta = "\n written " + newSearchMeta.substring(newSearchMeta.indexOf("<time"));
$(this).html(newSearchMeta);
});
If you're working with a multilingual Help Center, just add IF/ELSE statements for each variation.