PUjetID is slow

[mariadalfonso]

PileupJetIdProducer take too much.

• [x] remove multiple instances
• [ ] the dz call is consuming most of it https://cms-reco-profiling.web.cern.ch/cms-reco-profiling/cgi-bin/igprof-navigator/releases/CMSSW_12_1_0_pre4/11834.21/step5/cpu_endjob/139 see how is called here https://github.com/cms-sw/cmssw/blob/master/RecoJets/JetProducers/src/PileupJetIdAlgo.cc#L261 should be be optimised

[mariadalfonso]

@nurfikri89

[mariadalfonso]

I close this. Some reduction was done. The dz can be better calculated and speed reduced.