Remove Kiln from local courseware setup

scripts/service_manager.sh

@@ -362,21 +362,9 @@ Promptfoo CLI:   $PROMPTFOO_BIN
 Promptfoo UI:    $(service_url promptfoo)
 Wiki:            $(service_url wiki)
 Lab 3 Terminal:  $(service_url wetty)
-Kiln app:        ${KILN_LAUNCH_PATH:-not installed}
 EOF
 }
 
-open_kiln() {
-  if [ -x "$KILN_LINUX_BIN" ]; then
-    nohup "$KILN_LINUX_BIN" >/dev/null 2>&1 &
-    echo "started Kiln from $KILN_LINUX_BIN"
-    return 0
-  fi
-
-  echo "Kiln is not installed." >&2
-  exit 1
-}
-
 show_logs() {
   local service=$1
   local log_file
@@ -418,13 +406,6 @@ main() {
     urls)
       urls
       ;;
-    open)
-      if [ "${1:-}" != "kiln" ]; then
-        echo "Only 'open kiln' is supported." >&2
-        exit 1
-      fi
-      open_kiln
-      ;;
     logs)
       if [ $# -ne 1 ]; then
         echo "Usage: ./labctl logs <service>" >&2