sensors: don't pass excess conn handler

We don't need to pass connection handler to setInitialProperties method
since it already part of the sensor class.

Tested: no changes in behaviour.
Signed-off-by: Andrei Kartashev <a.kartashev@yadro.com>
Change-Id: Icaaccbeaf14e22648a6a1bce381f0f0a606b0ddd
diff --git a/src/NVMeSensor.cpp b/src/NVMeSensor.cpp
index 254ba24..89b21b0 100644
--- a/src/NVMeSensor.cpp
+++ b/src/NVMeSensor.cpp
@@ -48,7 +48,7 @@
         "/xyz/openbmc_project/sensors/temperature/" + name,
         association::interface);
 
-    setInitialProperties(conn, sensor_paths::unitDegreesC);
+    setInitialProperties(sensor_paths::unitDegreesC);
 }
 
 NVMeSensor::~NVMeSensor()