remove get_node comment

settings/project_manager.sublime-settings

@@ -5,8 +5,6 @@
     // Enable local projects directory, such a directory will be named as
     // "Projects - computer_name", where computer_name is your computer hostname.
     // It would be useful if Sublime Text settings are synced across different computers.
-    // To discover your computer hostname, run
-    // import sys; sys.modules['ProjectManager'].pm.get_node() in your sublime console
     // "use_local_projects_dir": true
 
     // force to `Hide Open Files` or `Show Open Files` in the sidebar.