Remove XInitThreads from os::init since it will be called in the upcoming Device implementation
Remove XInitThreads from os::init since it will be called in the upcoming Device implementation

galek/crown,dbartolini/crown,mikymod/crown,dbartolini/crown,mikymod/crown,dbartolini/crown,mikymod/crown,galek/crown,galek/crown,taylor001/crown,galek/crown,dbartolini/crown,taylor001/crown,taylor001/crown,taylor001/crown,mikymod/crown