Removed sourceMappingURL from jquery-1.9.1.min.js

Source mapping file is not here.
Should fix this error:
[![Screenshot](https://token.fnkr.net/gsFPmg5pskeF-)](https://token.fnkr.net/gsFPmg5pskeF)

More info about source maps: http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/