r15892: Remove the COM management code - DCOM should be

r15892: Remove the COM management code - DCOM should be
based on Mono and its' COM support and utilize Samba's DCE/RPC + ORPC code
instead of having our own COM implementation in Samba, which is too much
work to implement and harder to code (C).

This only removes some of the code that I started working on to implement
the bits of COM I thought were needed to support DCOM from just Samba. This
code has never functioned properly, contains a couple of nasty hacks and
there should be no reason to pick it up again later, the processes are all
documented in the DCOM whitepaper.

This does NOT remove the marshalling code for the ORPC code or the torture
code that tested some of the ORPC code.