Remove haptic feedback from face detect operations.

Also removes some unused / dead haptic code.

Fix: 263762558
Test: atest FaceDetectClientTest
Test: manual (setup with face/fp, set lockscreen bypass for face, lockout device, press power button to attempt login, look at phone to trigger bouncer, confirm Face detect operation has visual but not haptic feedback)
Change-Id: I943aae5da6e50f91bd0b91cc01f895c9732e26d5