You can delete a metadata loop component from within the custom template to which it belongs.
To delete a metadata loop component:
Note:
These steps only delete the metadata loop from the template. You should also delete the design-time prompts you created to use with the metadata loop. To delete a design-time prompt, from the design-time prompt tab, right-click the row containing the design-time prompt, and then select Delete Row, or select the row containing the design-time prompt, and then click