PWGDQ: reduce Ne-Ne trigger gap from 5 to 2

Author: vetex007

MC/config/PWGDQ/ini/Generator_InjectedPromptCharmoniaFwdy_TriggerGap_NeNe5TeV.ini

@@ -1,7 +1,7 @@
 ### The external generator derives from GeneratorPythia8.
 [GeneratorExternal]
 fileName=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGDQ/external/generator/generator_pythia8_withInjectedPromptSignals_gaptriggered_dq.C
-funcName=GeneratorPythia8InjectedPromptCharmoniaGapTriggered(5,11)
+funcName=GeneratorPythia8InjectedPromptCharmoniaGapTriggered(2,11)
 
 [GeneratorPythia8]
 config=${O2DPG_MC_CONFIG_ROOT}/MC/config/common/pythia8/generator/pythia8_NeNe_536.cfg