Dead code removal.

This _is_ different to the qApp->setStyle(\<stylename\>) method where stylename is one of "Plastique", "GTK", "Cleanlooks", "WindowsXP", "WindowsVista", "Windows", "Macintosh", "CDE" or "Motif" (some of these are platform dependent, and they only get about one mention in the Docs) but both stylesheet and style are also user settable from the command line...

{Use the --help command for details :wink:}