Revert "Input: synaptics - fix handling of disabling gesture mode"

This reverts commit e51e38494a8ecc18650efb0c840600637891de2c: we
actually do want the device to work in extended W mode, as this is the
mode that allows us receiving multiple contact information.

Cc: stable@vger.kernel.org

diff --cc drivers/input/mouse/synaptics.c
Simple merge