Remove incorrect reflex protection from HcalDbService

The CPP conditional code to protect reflex from the C++11 syntax was
done incorrectly since the the memory layout of the two options were
not identical. Given that this file is never scanned by Reflex, it is
best to just remove the conditional code.
Merge pull request #2817 from Dr15Jones/fixBugInHcalDbService

CalibFormats/HcalObjects -- Remove incorrect reflex protection from HcalDbService