[PATCH 2/4] VAX: drop OBJ_VMS leftovers

[Maciej W. Rozycki]

On Tue, 30 Jul 2024, Jan Beulich wrote:

> OBJ_VMS support was dropped almost 20 years ago (e330299ed5ee). Drop
> respective code from tc-vax.c as well.
> 
> While there, make adjustments for OBJ_ELF as well: -K was dropped over
> 20 years ago (530556a951f5), yet left in md_shortopts. OPTION_PIC isn't
> really necessary either; 'k' can be used instead. And then the ELF
> options available weren't displayed by md_show_usage().

 ISTM these should be 3-4 separate self-contained patches (plus tc-vax.h 
was missed for the OBJ_VMS change).

  Maciej