sensorhandler: remove IPMI_CMD command

The IPMI_CMD declared in sensorhandler.hpp is redundant because these
commands are already declared in api-types.hpp, so this commit
removes all IPMI_CMD in sensorhandler.hpp.

Change-Id: Idc3586d82f3d9905c5ae214e652724ca6425aae7
Signed-off-by: George Liu <liuxiwei@ieisystem.com>
diff --git a/sensorhandler.cpp b/sensorhandler.cpp
index a48b0f2..961b236 100644
--- a/sensorhandler.cpp
+++ b/sensorhandler.cpp
@@ -1568,16 +1568,16 @@
                           ipmi::Privilege::User, ipmiSenSetSensorThresholds);
 
     // <Get Device SDR>
-    ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_GET_DEVICE_SDR, nullptr,
-                           ipmi_sen_get_sdr, PRIVILEGE_USER);
+    ipmi_register_callback(NETFUN_SENSOR, ipmi::sensor_event::cmdGetDeviceSdr,
+                           nullptr, ipmi_sen_get_sdr, PRIVILEGE_USER);
 
 #endif
 
     // Common Handers used by both implementation.
 
     // <Platform Event Message>
-    ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_PLATFORM_EVENT, nullptr,
-                           ipmicmdPlatformEvent, PRIVILEGE_OPERATOR);
+    ipmi_register_callback(NETFUN_SENSOR, ipmi::sensor_event::cmdPlatformEvent,
+                           nullptr, ipmicmdPlatformEvent, PRIVILEGE_OPERATOR);
 
     // <Get Sensor Type>
     ipmi::registerHandler(ipmi::prioOpenBmcBase, ipmi::netFnSensor,