Remove reference to internal tooling from public repository

Author: sj

misc/emacs/ql-mode-base.el

@@ -2,8 +2,7 @@
 
 ;;; Commentary:
 ;;
-;; A basic major mode for editing QL files, a more advanced major
-;; mode is available for internal use at Semmle.
+;; A basic major mode for editing QL files.
 ;;
 ;; Provides syntax highlighting, comment support, and a mode-specific
 ;; keymap.