Removing some powermanager proto fields.

The fields were removed from PowerManagerService in http://ag/3464790.
The CTS test is already broken at this point. I'll update them outside
of this topic.

Bug: 72660343
Test: flash device and check incident.proto output
Change-Id: Ia2c5872d7ddc70b4e021ff45db3a5a6754c57d31