use unorderd map for LArLATOMEMapping
Use an std::unordered_map instead of two std::vectors as internal storage type of LArLATOMEMapping. Saves about 20% execution time of LArRawSCDataReadingAlg.
Use an std::unordered_map instead of two std::vectors as internal storage type of LArLATOMEMapping. Saves about 20% execution time of LArRawSCDataReadingAlg.