ARM: dts: msm: Remove QFE sensor for modem1 in sdx50

QFE sensor is not supported for modem1 in sdx50. Remove the thermal zone
mapping to this sensor.

Change-Id: I6c8b701d04204f4f2d2c258d3ff3443795910853
Signed-off-by: Ram Chandrasekar <rkumbako@codeaurora.org>