Correct header comment to remove reference to KPP6
Correct header comment to remove reference to KPP6

PowerSystemsHIL/EPHCC,PowerSystemsHIL/EPHCC,PowerSystemsHIL/EPHCC,PowerSystemsHIL/EPHCC,PowerSystemsHIL/EPHCC,PowerSystemsHIL/EPHCC,PowerSystemsHIL/EPHCC,PowerSystemsHIL/EPHCC