Remove ulsch_max_frame_inactivity from CI configs

The parameter is either set to 10 (the default, so not necessary), or to
0 forcing the gNB to schedule the UE all the time, which is only
necessary in specific scenario, and here simply wrong.

ci-scripts/conf_files/gnb-vnf.sa.band78.273prb.aerial.conf

@@ -197,7 +197,6 @@ MACRLCs = (
   tr_n_preference             = "local_RRC";
   pusch_TargetSNRx10          = 200; # 150;
   pucch_TargetSNRx10          = 200; #200;
-  ulsch_max_frame_inactivity  = 10;
   dl_max_mcs = 28;
   ul_max_mcs = 28;
 }

ci-scripts/conf_files/gnb.sa.band254.u0.25prb.rfsim.ntn-leo.conf

@@ -198,7 +198,6 @@ MACRLCs = (
   num_cc                      = 1;
   tr_s_preference             = "local_L1";
   tr_n_preference             = "local_RRC";
-#  ulsch_max_frame_inactivity  = 0;
   pusch_TargetSNRx10          = 150;
   pucch_TargetSNRx10          = 200;
   dl_max_mcs                  = 9;

ci-scripts/conf_files/gnb.sa.band254.u0.25prb.rfsim.ntn.conf

@@ -205,7 +205,6 @@ MACRLCs = (
   num_cc                      = 1;
   tr_s_preference             = "local_L1";
   tr_n_preference             = "local_RRC";
-#  ulsch_max_frame_inactivity  = 0;
   pusch_TargetSNRx10          = 150;
   pucch_TargetSNRx10          = 200;
   dl_max_mcs                  = 9;

ci-scripts/conf_files/gnb.sa.band77.162prb.usrpn310.2x2.conf

@@ -180,7 +180,6 @@ MACRLCs = (
   tr_n_preference             = "local_RRC";
   pusch_TargetSNRx10          = 300;
   pucch_TargetSNRx10          = 300;
-  ulsch_max_frame_inactivity  = 0;
   pusch_FailureThres          = 100;
   ul_max_mcs		      = 28;
 }

ci-scripts/conf_files/gnb.sa.band77.273prb.usrpn310.2x2.conf

@@ -175,7 +175,6 @@ MACRLCs = (
   pusch_TargetSNRx10          = 270;
   pucch_TargetSNRx10          = 270;
   pusch_FailureThres          = 1000;
-  ulsch_max_frame_inactivity  = 0;
   ul_max_mcs                  = 25;
 }
 );

ci-scripts/conf_files/gnb.sa.band78.106prb.rfsim.neighbour.conf

@@ -233,7 +233,6 @@ MACRLCs = (
   tr_n_preference             = "local_RRC";
   pusch_TargetSNRx10          = 250;
   pucch_TargetSNRx10          = 200;
-  ulsch_max_frame_inactivity  = 0;
 }
 );