Delete a Web Content link
Open Site Info.
Select Site Info from the Tool Menu in your site. From Site info, you can delete a web content link from either the Manage Tools tab or the Tool Order tab.
Click Manage Tools.
Remove the check mark next to the Web Content tool link that you want to delete.
Or, click Tool order.
Click the gear icon to edit item settings.
Click the gear icon for the item you want to remove, and then select Delete this Tool from the drop-down menu.