Remove --no-frontend option from installer (#6111) (#6112)

- This swtich is no longer present in `invoke update`
- Frontend installation is off by default
- Fixes https://github.com/inventree/InvenTree/discussions/6109

(cherry picked from commit 148bf0764b)

Co-authored-by: Oliver <oliver.henry.walters@gmail.com>

contrib/packager.io/functions.sh

@@ -236,7 +236,7 @@ function update_or_install() {
   # Run update as app user
   echo "# Updating InvenTree"
   sudo -u ${APP_USER} --preserve-env=$SETUP_ENVS bash -c "cd ${APP_HOME} && pip install wheel"
-  sudo -u ${APP_USER} --preserve-env=$SETUP_ENVS bash -c "cd ${APP_HOME} && invoke update --no-frontend | sed -e 's/^/# inv update| /;'"
+  sudo -u ${APP_USER} --preserve-env=$SETUP_ENVS bash -c "cd ${APP_HOME} && invoke update | sed -e 's/^/# inv update| /;'"
 
   # Make sure permissions are correct again
   echo "# Set permissions for data dir and media: ${DATA_DIR}"