Remove a component word from base message

Removed "component" from base message because actual component name is
defined from redfish message argument.

Tested:
1. Redfish validator - passed for this new addition
2. Verified in Redfish, ComponentOverTemperature event logged properly.
GET:
https:/<BMC-IP>/redfish/v1/Systems/system/LogServices/EventLog/Entries
{
   "@odata.id": "/redfish/v1/Systems/system/LogServices/EventLog/
   Entries/1646193775",
   "@odata.type": "#LogEntry.v1_8_0.LogEntry",
   "Created": "2022-03-02T04:02:55+00:00",
   "EntryType": "Event",
   "Id": "1646193775",
   "Message": "CPU 1 memory over temperature and being throttled.",
   "MessageArgs": [
      "CPU 1 memory"
   ],
   "MessageId": "OpenBMC.0.1.ComponentOverTemperature",
   "Name": "System Event Log Entry",
   "Severity": "Critical"
}

Signed-off-by: Hardik Panchal <hardikx.panchal@intel.com>
Change-Id: I17aa3b98b6f4c126c2a2d99d703349dc6d82b228