PWGLF: Disable generator for the injection script (#1604)

* disable generator for the injection script

Author: BongHwi

MC/config/PWGLF/ini/GeneratorLF_Resonances_PbPb5360_injection.ini

@@ -2,8 +2,8 @@
 fileName=${O2DPG_ROOT}/MC/config/PWGLF/pythia8/generator_pythia8_LF.C
 funcName=generateLF("${O2DPG_ROOT}/MC/config/PWGLF/pythia8/generator/resonancelistgun_inj.json", true, 4)
 
-[GeneratorPythia8]
-config=${O2_ROOT}/share/Generators/egconfig/pythia8_hi.cfg
+# [GeneratorPythia8]
+# config=${O2_ROOT}/share/Generators/egconfig/pythia8_hi.cfg
 
 [DecayerPythia8] # after for transport code!
 config[0]=${O2DPG_ROOT}/MC/config/common/pythia8/decayer/base.cfg