[ofw] SVN cleanup of dead files

[Sean Hefty]

>> al_proxy_cm.c
>> mt23108 directory
>>
>> and also remove the empty files:
>>
>> ual_mr.h
>> ual_mw.h
>> ual_dm.h
>>
>> along with any references to them

There were a few other ibal files that I found as empty as well that I'll remove
with these.  (I plan on waiting a couple of days to see if there's any
objection.)

>If no one objects, and so far there have been no responses to previous queries,
>'branches\MTHCA' could also  be removed.
>
>Once branches\ConnectX\hw\mlx4 is merged into the mainline trunk,
>branches\ConnectX can also be removed.
>Someone from Mellanox want to comment on a time frame?

I'll let the branch creators remove these.

- Sean