qpnp-vibrator: just return the voltage, not all the pretty stuff

* makes handling it userspace much easier

Change-Id: I6173577a70c2bb89ab8ee4d5079be6457310a00c
Revert "synaptics_3k: Add lid events to support the dot case cover"

This reverts commit 2da0c62edfda63be66e4cd59c1202ab77b8f01b7.

Change-Id: Ice98c748e3dd91574f040095d0c395674c60a415