To delete a charge rate, use the command goldsh ChargeRate Delete:
goldsh ChargeRate Delete [Type==<Charge Rate Type>] [Name==<Charge Rate Name>] [Instance==<Charge Rate Instance>] [Rate==<Floating Point Multiplier>]
Example 10. Deleting a charge rate
$ goldsh ChargeRate Delete Type==VBR Name==Memory Successfully deleted 1 ChargeRate