Remove use of LoKi in Jet code

Helder Lopesrequested to merge
helder-Jet_noLoKi into master

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

Edited by Murilo Santana Rangel

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