remove dead code

#include "DisplayHardware/DisplayHardware.h"

// We don't honor the premultiplied alpha flags, which means that

// premultiplied surface may be composed using a non-premultiplied

// equation. We do this because it may be a lot faster on some hardware

// The correct value is HONOR_PREMULTIPLIED_ALPHA = 1

#define HONOR_PREMULTIPLIED_ALPHA   0

namespace android {

// ---------------------------------------------------------------------------