Revert "Xtreamer bootanimation"

This reverts commit 4b6288cf67509329ca9c865d58cdcf0cbd964fe6.
Revert "Provision - Add Xtreamer logo to MIUI setup wizard"

This reverts commit 21444ac9e31ef3a1a46a447c0f83c52ab8fe1c1b.
makezip.sh: Don't move overlay_zip