Clear screen before prompt [ci skip]

build-setup-nolog.sh

@@ -72,6 +72,7 @@ tag_ret_code="$?"
 set -e
 if [ "$tag_ret_code" -ne 0 ]; then
     if [ "$SKIP_VALIDATE" = false ]; then
+        printf '\033[2J' # clear screen
         read -p "WARNING: You are not on an official release of FireSim."$'\n'"Type \"y\" to continue if this is intended, otherwise see https://docs.fires.im/en/stable/Initial-Setup/Setting-up-your-Manager-Instance.html#setting-up-the-firesim-repo: " validate
         [[ "$validate" == [yY] ]] || exit 5
         echo "Setting up non-official FireSim release"