remove zulu (XVR-4000)
XVR-4000 was a very expensive, very rare graphics card.

*** 1079,1090 ****
      mode=0755
  $(sparc_ONLY)file path=platform/sun4u/kernel/misc/$(ARCH64)/sbd group=sys \
      mode=0755
  $(sparc_ONLY)file path=platform/sun4u/kernel/misc/$(ARCH64)/vis group=sys \
      mode=0755
- $(sparc_ONLY)file path=platform/sun4u/kernel/misc/$(ARCH64)/zuluvm group=sys \
-     mode=0755
  $(sparc_ONLY)file path=platform/sun4u/kernel/strmod/$(ARCH64)/kb group=sys \
      mode=0755
  $(sparc_ONLY)file path=platform/sun4u/kernel/tod/$(ARCH64)/todblade group=sys \
      mode=0755
  $(sparc_ONLY)file path=platform/sun4u/kernel/tod/$(ARCH64)/todbq4802 group=sys \
--- 1079,1088 ----