Remove unused metrics code from cpu example client.
Remove unused metrics code from cpu example client.

ben-hopps/nupic,jcasner/nupic,virneo/nupic,marionleborgne/nupic,BeiLuoShiMen/nupic,GeraldLoeffler/nupic,SaganBolliger/nupic,cngo-github/nupic,arhik/nupic,GeraldLoeffler/nupic,brev/nupic,brev/nupic,pap/nupic,glorizen/nupic,rcrowder/nupic,ywcui1990/nupic,darshanthaker/nupic,cogmission/nupic,cngo-github/nupic,runt18/nupic,glorizen/nupic,badlogicmanpreet/nupic,BeiLuoShiMen/nupic,mcanthony/nupic,virneo/nupic,fergalbyrne/nupic,numenta-ci/nupic,wanghaven/nupic,EricSB/nupic,wanghaven/nupic,numenta/nupic,breznak/nupic,elkingtonmcb/nupic,vamsirajendra/nupic,SaganBolliger/nupic,passiweinberger/nupic,cngo-github/nupic,vitaly-krugl/nupic,passiweinberger/nupic,eranchetz/nupic,eranchetz/nupic,rcrowder/nupic,go-bears/nupic,vitaly-krugl/nupic,alfonsokim/nupic,blueburningcoder/nupic,BeiLuoShiMen/nupic,cogmission/nupic,chen0031/nupic,allanino/nupic,vamsirajendra/nupic,lscheinkman/nupic,rcrowder/nupic,scottpurdy/nupic,alfonsokim/nupic,chanceraine/nupic,fergalbyrne/nupic,akhilaananthram/nupic,neuroidss/nupic,elkingtonmcb/nupic,metaml/nupic,scottpurdy/nupic,markneville/nupic,mcanthony/nupic,metaml/nupic,ywcui1990/nupic,chanceraine/nupic,subutai/nupic,go-bears/nupic,scottpurdy/nupic,alfonsokim/nupic,SaganBolliger/nupic,neuroidss/nupic,akhilaananthram/nupic,subutai/nupic,ben-hopps/nupic,jcasner/nupic,pap/nupic,breznak/nupic,lscheinkman/nupic,elkingtonmcb/nupic,darshanthaker/nupic,pulinagrawal/nupic,subutai/nupic,numenta/nupic,marionleborgne/nupic,blueburningcoder/nupic,passiweinberger/nupic,breznak/nupic,numenta/nupic,badlogicmanpreet/nupic,rayNymous/nupic,loretoparisi/nupic,rhyolight/nupic,pulinagrawal/nupic,rayNymous/nupic,markneville/nupic,BoltzmannBrain/nupic,rhyolight/nupic,mcanthony/nupic,blueburningcoder/nupic,sambitgaan/nupic,numenta-ci/nupic,cogmission/nupic,ywcui1990/nupic,darshanthaker/nupic,sambitgaan/nupic,markneville/nupic,eranchetz/nupic,arhik/nupic,jcasner/nupic,BoltzmannBrain/nupic,neuroidss/nupic,chanceraine/nupic,EricSB/nupic,BoltzmannBrain/nupic,brev/nupic,marionleborgne/nupic,metaml/nupic,chen0031/nupic,wanghaven/nupic,pulinagrawal/nupic,go-bears/nupic,pap/nupic,rayNymous/nupic,rhyolight/nupic,arhik/nupic,vitaly-krugl/nupic,loretoparisi/nupic,numenta-ci/nupic,sambitgaan/nupic,allanino/nupic,lscheinkman/nupic,GeraldLoeffler/nupic,badlogicmanpreet/nupic,vamsirajendra/nupic,chen0031/nupic,ben-hopps/nupic,allanino/nupic,virneo/nupic,fergalbyrne/nupic,akhilaananthram/nupic,EricSB/nupic,glorizen/nupic,runt18/nupic,loretoparisi/nupic,runt18/nupic