Revert "Add emergencyDial_1_6 in the HAL to modify the multisim ..."

Revert "Add cuttilefish implementation for emergencyDial_1_6"

Revert submission 13164522-emergencyDial_1_6

Reason for revert: Potential culprit of b/176519828

Reverted Changes:
I3680b8d42:Add cuttilefish implementation for emergencyDial_1...
I94319ab34:Add emergencyDial_1_6 in the HAL to modify the mul...

Change-Id: I17e59676b6467b8b51dcb839497883a2c89ee50d