CmdID / PowerShell / Cmdlets / Remove
Remove-IISConfigAttribute
Removes a configuration attribute from an IIS configuration section or configuration element attribute. Windows Server PowerShell reference
From the Windows Server PowerShell reference 2 parameters Its page in the reference
Parameters
-AttributeNameSpecifies the name of the attribute that is to be deleted.-ConfigElementSpecifies the IIS ConfigurationSection or ConfigurationElement from which the matching attribute is to be deleted.