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

*** 426,436 ****
  MISC_KMODS      += bignum
  MISC_KMODS      += obpsym bootdev vis cpr platmod md5 sha1 i2c_svc
  MISC_KMODS      += sbd
  
  MISC_KMODS      += opl_cfg
- MISC_KMODS      += zuluvm
  MISC_KMODS      += gptwo_cpu gptwocfg
  MISC_KMODS      += pcie
  
  #
  #       Brand modules
--- 426,435 ----