11630 remove checks for 64-bit capable hardware

*** 19,31 ****
  # CDDL HEADER END
  #
  #
  # Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
- #pragma ident   "%Z%%M% %I%     %E% SMI"
- #
  # psm/promif/ieee1275/sun4u/Makefile.files
  #
  #       This Makefile defines all the promif file modules for the 
  #       directory psm/promif/ieee1275/sun4u.
  #
--- 19,30 ----
  # CDDL HEADER END
  #
  #
  # Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
+ # Copyright 2019 Peter Tribble.
  #
  # psm/promif/ieee1275/sun4u/Makefile.files
  #
  #       This Makefile defines all the promif file modules for the
  #       directory psm/promif/ieee1275/sun4u.
  #
*** 53,59 ****
          prom_retain.o                   \
          prom_set_mmfsa_traptable.o      \
          prom_sparc.o                    \
          prom_sun4v_api_version.o        \
          prom_sun4v_soft_state_supported.o       \
-         prom_vercheck.o                 \
          prom_vername.o
--- 52,57 ----