Revert "init.rc: set up a tracing instance for BootReceiver.java"

Revert "Selinux policy for bootreceiver tracing instance"

Revert submission 1572240-kernel_bootreceiver

Reason for revert: DroidMonitor: Potential culprit for Bug 181778620 - verifying through Forrest before revert submission. This is part of the standard investigation process, and does not mean your CL will be reverted.
Reverted Changes:
Ic1c49a695:init.rc: set up a tracing instance for BootReceive...
I828666ec3:Selinux policy for bootreceiver tracing instance

Change-Id: I5c2ccfe3eeb8863086b7cb9b3de43c6e076d995a