Update prescales for SL lines

Line	Old Prescale	New prescale	Change (%)
Hlt2SLB_BsToKENu_SS	0.1	0.05	50
Hlt2SLB_BsToKENu_FakeElectron	0.02	0.01	50
Hlt2SLB_BsToKENu_SS_FakeElectron	0.02	0.01	50
Hlt2SLB_BsToKENu_FakeK	0.02	0.01	50
Hlt2SLB_BsToKENu_SS_FakeK	0.02	0.01	50
Hlt2SLB_BsToKENu_FakeK_FakeElectron	0.02	0.005	25
Hlt2SLB_BsToKTauNu_TauToENuNu_FakeK_FakeElectron	0.02	0.005	25
Hlt2SLB_BsToKTauNu_TauToENuNu_SS	0.05	0.02	40
Hlt2SLB_BsToKTauNu_TauToENuNu_FakeElectron	0.02	0.01	50
Hlt2SLB_BsToKTauNu_TauToENuNu_SS_FakeElectron	0.02	0.01	50
Hlt2SLB_BsToKTauNu_TauToENuNu_FakeK	0.02	0.01	50
Hlt2SLB_BsToKTauNu_TauToENuNu_SS_FakeK	0.02	0.01	50
Hlt2SLB_B0ToDpTauNu_DpToKPiPi_TauToENuNu	1	0.5	50
Hlt2SLB_B0ToDpTauNu_DpToKPiPi_TauToENuNu_FakeElectron	0.1	0.05	50
Hlt2SLB_BuToD0TauNu_D0ToKPiPiPi_TauToENuNu	1	0.5	50
Hlt2SLB_BuToD0TauNu_D0ToKPiPiPi_TauToENuNu_FakeElectron	0.1	0.05	50
Hlt2SLB_BsToDsTauNu_DsToKKPi_TauToENuNu	1	0.5	50
Hlt2SLB_BsToDsTauNu_DsToKKPi_TauToENuNu_FakeElectron	0.1	0.05	50
Hlt2SLB_B0ToDpENu_DpToKPiPi	1	0.75	75
Hlt2SLB_B0ToDpENu_DpToKPiPi_FakeElectron	0.1	0.075	75
Hlt2SLB_B0ToDpENu_DpToKKPi	1	0.75	75
Hlt2SLB_B0ToDpENu_DpToKKPi_FakeElectron	0.1	0.075	75
Hlt2SLB_Xib0ToXicplusTauNu_XicplusToPKPi_TauToMuNuNu	1	0.75	75