Revert "legacy: allow init to read /proc/device-tree"

* We shouldn't be labeling a proc node as a sysfs_type. We'll go
  ahead and handle this properly in system/sepolicy.

This reverts commit 25b6ab3f932d821281893123a37f6d6c3621b17b.

Change-Id: I38b7e237a438b779be37a7f071d8d6379e2bdb7c
1 file changed