Removal of V2 code

[law@redhat.com]

  In message < 200011201655.LAA09289@caip.rutgers.edu >you write:
  > I mentioned this to Mark offline, but it deserves wider attention.
  > the SunOS box I had access to died and its sysadmin decided not to
  > revive it.  Therefore I cannot assist in testing or V3 porting to
  > SunOS.
  > 
  > I've felt SunOS a worthy second tier candidate for these reasons:
  > 
  > Tests K&R stage1 support
  > Tests fixincludes thoroughly
  > Tests SJLJ exceptions
FWIW, if we can get the PA/hpux bits in libstdc++-v3 up and running, then
the PA port can test those issues pretty well :-)

jeff