Fix for compilation failures in the master
Removed private variable redeclaration from LongLivedParticleDPDMaker/RPVLLTestRates.h and also removed one duplicate line from RPVLLTestRates.cxx
Removed private variable redeclaration from LongLivedParticleDPDMaker/RPVLLTestRates.h and also removed one duplicate line from RPVLLTestRates.cxx