NTSTATUS
FtDeleteValue(
      HANDLE KeyHandle,
      PUCHAR ValueName
  );

Routine Description:

    This routine will delete a value within a key.

Arguments:

    KeyHandle - an open HANDLE to the key in the registry containing the value.
    ValueName - an asciiz string for the value name to delete.

Return Value:

    NTSTATUS - from the configuration registry.