clean and fix thepeg tests
remove L1ExtraRecoDQM from config
remove L1TEfficiencyEG_Offline L1TEfficiencyJets_Offline L1TRate_Harvest L1TSync_Harvest from config
remove import for deleted cff file
Merge pull request #6752 from mkirsano/thepegtests

clean and fix thepeg tests
Merge pull request #6802 from deguio/cleanL1config

Clean l1 configs
Merge remote branch 'origin/CMSSW_7_4_X' into CMSSW_7_0_X