[Bug 35756] Bugzilla robots.txt prevents google indexing

https://bugs.winehq.org/show_bug.cgi?id=35756

--- Comment #2 from Austin English  ---
(In reply to Alexandre Julliard from comment #1)
> I don't think it would make any sense to crawl the site, and the performance
> impact would probably be huge.

Many other bugzillas can be searched via google (which often gives better
results than bugzilla's search feature).