Remove vibrator@1.4 from VNDK.

Because this HAL was converted to AIDL.

Can't be completely removed until frameworks/base is refactored not to
use it, but doing this so no more dependencies are accidentally taken
downstream.

Bug: 141828236
Test: N/A
Change-Id: Ic920f59a1a0ad933e5c80c468700ef4514b4a9c9