Remove JING_PATH from global_settings.py and docs
|Reported by:||Sean Legassick||Owned by:||nobody|
|Has patch:||yes||Needs documentation:||no|
|Needs tests:||no||Patch needs improvement:||no|
As XMLField doesn't currently do any validation, and thus JING_PATH is never used, it should be removed from global_settings.py and settings reference as per attached patch.