Remove Unnecessary trace in pldm

In the current state, the eventing infrastructure is
written in such a way that it would parse the json file
that captures the dbus information and maps it to the
pldm states as supported by the state set id mentioned in
dsp0249.

Even the oem infrastructure can leverage the json infra,&
the error traces comes when there are sensors that has does
not adhere to the standard (PDR json) infrastructure, which
is okay, so this commit removes the trace (as that is ideally
not an error condition & is expected)

Tested By :
1. On a P10 rainier machine , this removes a bunch of
   `Inavlid sensor Id` traces.

Signed-off-by: Manojkiran Eda <manojkiran.eda@gmail.com>
Change-Id: Ibe818a945abafa2fcbe69bdabf4bd33f6592201b
diff --git a/host-bmc/dbus_to_event_handler.cpp b/host-bmc/dbus_to_event_handler.cpp
index 24c7648..d65ce14 100644
--- a/host-bmc/dbus_to_event_handler.cpp
+++ b/host-bmc/dbus_to_event_handler.cpp
@@ -84,7 +84,11 @@
     // DSP0248_1.2.0 Table 19
     if (!dbusMaps.contains(sensorId))
     {
-        std::cerr << "Invalid sensor ID : " << sensorId << std::endl;
+        // this is not an error condition, if we end up here
+        // that means that the sensor with the sensor id has
+        // custom behaviour(or probably an oem sensor) in
+        // sending events that cannot be captured via standard
+        // dbus-json infastructure
         return;
     }