CyanogenMod/android_device_samsung_tuna — comment on commit 37cc75ac18ba5e1e7002c84e5ab56077131d4e38
File:  line 0
By blunden:

The app could still be separate but the launcher icon could be hidden by removing from AndroidManifest.xml as far as I know. If we want the icon there it makes no sense to have only a low-res version that looks blurry, as the current one does.