Updated qt-wkhtmltopdf and wkhtmltopdf for new repo URLs.

qt-wkhtmltopdf:
* updated url to git://github.com/wkhtmltopdf/qt.git (split no longer needed for Mavericks)
* removed patches (no longer needed)

wkhtmltopdf:
* updated url to git://github.com/wkhtmltopdf/wkhtmltopdf.git