Remove disabling TimeGain in MC

Time gain is now take from a specific MC entry

Author: wiechula

DATA/production/configurations/asyncReco/setenv_extra.sh

@@ -512,9 +512,7 @@ fi
 
 # ad-hoc options for GPU reco workflow
 export CONFIG_EXTRA_PROCESS_o2_gpu_reco_workflow+=";GPU_global.dEdxDisableResidualGainMap=1;$TRACKTUNETPC;$VDRIFTPARAMOPTION;"
-if [[ $ALIEN_JDL_LPMPRODUCTIONTYPE == "MC" ]]; then
-  export CONFIG_EXTRA_PROCESS_o2_gpu_reco_workflow+=";GPU_global.dEdxDisableResidualGain=1"
-fi
+
 [[ ! -z $TPCCLUSTERTIMESHIFT ]] && [[ $ALIEN_JDL_LPMPRODUCTIONTYPE != "MC" ]] && export CONFIG_EXTRA_PROCESS_o2_gpu_reco_workflow+=";GPU_rec_tpc.clustersShiftTimebins=$TPCCLUSTERTIMESHIFT;"
 
 # ad-hoc settings for TOF reco