Update GeneratorHF_Non_Hfe.ini

Author: rashigupt

MC/config/PWGHF/ini/GeneratorHF_Non_Hfe.ini

@@ -1,4 +1,7 @@
-#### This configuration uses the Hybrid external generator to trigger π⁰/η production within the specified rapidity window
+[GeneratorExternal]
+fileName=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGHF/external/generator/selectNonHfe.C
+funcName=generatePythia8Box(0.1,50.0)
 
-[GeneratorHybrid]
-configFile = ${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGHF/hybrid/GeneratorHF_Non_Hfe.json
+[GeneratorPythia8]
+config=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGHF/pythia8/generator/pythia8_NonHfe.cfg
+includePartonEvent=true