Revert "init.*.rc: fix backlight sysfs permissions"

This reverts commit ff704239a4ca0bea5444d091ea5ba46c1babe1d9.

Change-Id: I00d0c405137315d024734430dd622854c913bccb
simplify vendor props

Change-Id: Id272156109f3ac90ed28966b9112a3fa5099d4c1
clean vendorsetup

Change-Id: I0513072ead38c64df194951b7362d3988b704700
reorganize prebuilts

Change-Id: Id7808e60b19f5be3d2fb9b4e120dc65419b334c8