How to delete a Metadata Object.
1. First Select admin dashboard from the side menu you can do this by selecting the three cogs on the menu
2. Once you have done that you will need to select system config from the screen that loads.
3. After you have done that you will need to select metadata manager from the sidemenu
4. Finally you will have a list of all the metadata objects on your website in the right hand column there will an edit and delete button. Simply click delete on the value you wish to remove and it will be gone