Remove obsolete state

There isn't a fingerprint animation, we don't need the timeout anymore.
This event was triggering unwanted updates, cancelling animations
during wake-up.

Fixes: 134448130
Test: power to wake-up: observe animation
Test: fingerprint from bouncer: observe animation
Test: fingerprint to wake-up: no animation
Change-Id: I17fcd9eb5eba7e7bc88de09309f5c310fe13433f