fixed typo in two egamma chains
fixed group in [HLT_e26_lhtight_e15_etcut_L1EM22VHI, HLT_e9_lhtight_e4_etcut_L1JPSI-1M5-EM7]: singleElectron -> multiElectron
fixed group in [HLT_e26_lhtight_e15_etcut_L1EM22VHI, HLT_e9_lhtight_e4_etcut_L1JPSI-1M5-EM7]: singleElectron -> multiElectron