Remove unnecessary scripts

user_space/set_ant.sh

@@ -1,41 +0,0 @@
-#!/bin/sh
-
-# Author: Xianjun Jiao
-# SPDX-FileCopyrightText: 2019 UGent
-# SPDX-License-Identifier: AGPL-3.0-or-later
-
-if [ "$#" -ne 2 ]; then
-    echo "Need 2 arguments. The 1st select rx antenna. The 2nd for tx antenna."
-    echo "Eg, "
-    echo "./set_ant rx2 tx2"
-    echo "./set_ant rx1 tx1"
-    echo "./set_ant rx2 tx1"
-    echo "./set_ant rx1 tx2"
-    exit 1
-fi
-
-set -x
-if [ $1 = "rx2" ] 
-then
-    ./sdrctl dev sdr0 set reg drv_rx 1 1
-elif [ $1 = "rx1" ] 
-then
-    ./sdrctl dev sdr0 set reg drv_rx 1 0
-else
-    echo "The 1st argument must be rx2 or rx1!"
-    exit 1
-fi
-
-if [ $2 = "tx2" ] 
-then
-    ./sdrctl dev sdr0 set reg drv_tx 1 1
-elif [ $2 = "tx1" ] 
-then
-    ./sdrctl dev sdr0 set reg drv_tx 1 0
-else
-    echo "The 2nd argument must be tx2 or tx1!"
-    exit 1
-fi
-
-ifconfig sdr0 down
-ifconfig sdr0 up

user_space/set_csma_high.sh

@@ -1,10 +0,0 @@
-#!/bin/bash
-
-# Author: Xianjun Jiao
-# SPDX-FileCopyrightText: 2019 UGent
-# SPDX-License-Identifier: AGPL-3.0-or-later
-
-./sdrctl dev sdr0 get reg xpu 19
-
-./sdrctl dev sdr0 set reg xpu 19 3758096384
-

user_space/set_csma_normal.sh

@@ -1,10 +0,0 @@
-#!/bin/bash
-
-# Author: Xianjun Jiao
-# SPDX-FileCopyrightText: 2019 UGent
-# SPDX-License-Identifier: AGPL-3.0-or-later
-
-./sdrctl dev sdr0 get reg xpu 19
-
-./sdrctl dev sdr0 set reg xpu 19 3
-