CmdID / PowerShell / Cmdlets / Remove
Remove-DlpSensitiveInformationType
Use the Remove-DlpSensitiveInformationType cmdlet to remove sensitive information type rules that use document fingerprints. Exchange PowerShell reference
From the Exchange PowerShell reference 3 parameters Its page in the reference
Parameters
-IdentityThe Identity parameter specifies the sensitive information type rule that you want to remove.-Confirm, -cfThe Confirm switch specifies whether to show or hide the confirmation prompt.-WhatIf, -wiThe WhatIf switch doesn't work in Security & Compliance PowerShell.