dt-bindings: Input: remove msm-vibrator

The address referenced in this binding is within the Qualcomm Clock
namespace so let's drop the msm-vibrator bindings so that a more
generic solution can be used instead.  No one is currently using these
bindings so this won't affect any users.

Signed-off-by: Brian Masney <[email protected]>
Acked-by: Rob Herring <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>

Author: masneyb