sensor: remove redundant condition
sensor: remove redundant condition

[sensor.cpp:147]: (style) Redundant condition: statusIface.
'!statusIface || (statusIface && statusIface->functional())' is
equivalent to '!statusIface || statusIface->functional()'

Signed-off-by: Patrick Venture <36c53fa43f47f3fd67cb2fc38031827244d18a1f@google.com>
Change-Id: I4f3c3f6e2e009dfaffc5671dc94b2f553f7029ef

openbmc/phosphor-hwmon,openbmc/phosphor-hwmon