Revert "Update saltstack.sh"

This reverts commit 196b34240eab4538652ba74b0f19021f0f174003.

ct/saltstack.sh

@@ -25,19 +25,8 @@ function update_script() {
   check_container_resources
 
   if [[ ! -d /etc/salt ]]; then
-    while true; do
-      read -p "This will install ${APP} on $hostname. Proceed (y/n)? " yn
-      case $yn in
-        [Yy]*) break ;;
-        [Nn]*)
-          echo "No ${APP} installation found!"
-          exit 1
-          ;;
-        *)
-          echo "Please answer yes or no."
-          ;;
-      esac
-    done
+    msg_error "No ${APP} Installation Found!"
+    exit
   fi
 
   RELEASE=$(curl -fsSL https://api.github.com/repos/saltstack/salt/releases/latest | jq -r .tag_name | sed 's/^v//')