removed confirmation prompt in upgrade option in nodebb executable

nodebb

@@ -10,19 +10,11 @@ case "$1" in
 		;;
 
 	upgrade)
-		echo "Upgrading dependencies (this command is intended to be run after a successful \"git pull\")";
-		read -p "Continue? " yn
-		case $yn in
-			[Yy]* )
 		npm install
 		ls -d node_modules/nodebb* | xargs -n1 basename | xargs npm update
 		node app --upgrade
 		echo -e "\n\e[00;32mNodeBB Dependencies up-to-date!\e[00;00m";
 		;;
-			[Nn]* ) exit;;
-				* ) echo "Please answer yes or no.";;
-		esac
-		;;
 
 	dev)
 		echo "Launching NodeBB in \"development\" mode."