modify decay chains (#2112)

Author: jpxrk

MC/config/PWGHF/pythia8/generator/pythia8_HFe_Mode2.cfg

@@ -66,39 +66,32 @@ BeamRemnants:saturation 5
 
 ###Semimuonic decays of charm
 
-### pi0 -> e
-111:onIfAny = 11 -11
-111:onIfAny = 22 11 -11
-### eta -> e
-221:onIfAny = 11 -11
-221:onIfAny = 22 11 -11
-
 ### D+/- -> e + X
-411:onIfAny = -11 12
+411:onIfAny = 11
 ### D0 -> e + X
-421:onIfAny = -11 12
+421:onIfAny = 11
 ### D_s -> e + X
-431:onIfAny = -11 12
+431:onIfAny = 11
 ### Lambda_c -> e + X
-4122:onIfAny = -11 12
+4122:onIfAny = 11
 ### Xsi0_c -> e + X
-4132:onIfAny = -11 12
+4132:onIfAny = 11
 ### Xsi+_c -> e + X
-4232:onIfAny = -11 12
+4232:onIfAny = 11
 ### Omega_c -> e + X
-4332:onIfAny = -11 12
+4332:onIfAny = 11
 
 ### B0 -> e + X
-511:onIfAny = -11 12
+511:onIfAny = 11
 ### B+/- -> e + X
-521:onIfAny = -11 12
+521:onIfAny = 11
 ### B_s -> e + X
-531:onIfAny = -11 12
+531:onIfAny = 11
 ### Lambda_b -> e + X
-5122:onIfAny = -11 12
+5122:onIfAny = 11
 ### Xsi_b -> e + X
-5132:onIfAny = -11 12
+5132:onIfAny = 11
 ### Xsi0_b -> e + X
-5232:onIfAny = -11 12
+5232:onIfAny = 11
 ### Omega_b -> e + X
-5332:onIfAny = -11 12
+5332:onIfAny = 11