[issue871] Fix Google Code Bug Importer

Continuation of #50. @paulproteus and I are pairing on a CR and we will merge this tonight.
If you take a look at other trackers, there is an intermediate processing step `handle_bug_html_response` where this line is broken off into a separate function call. There are maybe two possible paths I can see for this:

1. Change this to be consistent with the other importers by breaking this off into another function (see trac.py:79)
1. Don't bother at all with this function as it can be condensed to a one-line return statement

Leaning towards "get rid of this function".