Remove Flags from SetDataOptions

Licence and Whitespace got fixed too, it's a tiny file.

This was Flags in XNA3, but no longer in XNA4
http://msdn.microsoft.com/en-us/library/microsoft.xna.framework.graphics.setdataoptions(v=xnagamestudio.30).aspx
http://msdn.microsoft.com/en-us/library/microsoft.xna.framework.graphics.setdataoptions(v=xnagamestudio.40).aspx

Fixes #2547