Remove use of LoKi in Jet code
Remove use of LoKi::Extract::getParticles( ...) in jet code. Removed also old files like HltParticleFlow.h, HltParticleFlow.cpp, UpdateJetsWithVtx.cpp
Remove use of LoKi::Extract::getParticles( ...) in jet code. Removed also old files like HltParticleFlow.h, HltParticleFlow.cpp, UpdateJetsWithVtx.cpp