Revert "bootanimations! yay!"

This reverts commit 45f7c4fa5a3c3f5d7cf95bbc591dea112f21e99f.

 Changes to be committed:
	modified:   prebuilt/bootanimation/1280x720.zip
	modified:   prebuilt/bootanimation/1920x1080.zip
	modified:   prebuilt/bootanimation/1920x1200.zip
	modified:   prebuilt/bootanimation/2560x1600.zip
	modified:   prebuilt/bootanimation/800x480.zip