Update setup_arduino_libraries.sh (#1403)

Co-authored-by: danewalton <36710865+danewalton@users.noreply.github.com>

build_all/arduino/setup_arduino_libraries.sh

@@ -2,7 +2,7 @@
 # Copyright (c) Microsoft. All rights reserved.
 # Licensed under the MIT license. See LICENSE file in the project root for full license information.
 echo $NEWTIN | sudo -S rm -r azure-iot-pal-arduino
-git clone -b make-sdk-python https://github.com/Azure/azure-iot-pal-arduino.git 
+git clone https://github.com/Azure/azure-iot-pal-arduino.git 
 
 cd azure-iot-pal-arduino