ARM: dts: msm: Remove TWM Haptics entry for SDM429w + BG

BG controls haptics in TWM mode via command mode.By default
haptics is in command mode. So removing configuration of haptics
in ext-pin pwm mode from HLOS while entering TWM mode.

Change-Id: I9825fa916e57278e8e08bee5ac0ddceaa603f31b
Signed-off-by: Ganesh Keethol <gkeethol@codeaurora.org>