XXX Remove nawk(1)

*** 162,172 ****
  GREP=           /usr/bin/grep
  EGREP=          /usr/bin/egrep
  ELFWRAP=        /usr/bin/elfwrap
  KSH93=          /usr/bin/ksh93
  SED=            /usr/bin/sed
! NAWK=           /usr/bin/nawk
  CP=             /usr/bin/cp -f
  MCS=            /usr/ccs/bin/mcs
  CAT=            /usr/bin/cat
  ELFDUMP=        /usr/ccs/bin/elfdump
  M4=             /usr/ccs/bin/m4
--- 162,172 ----
  GREP=           /usr/bin/grep
  EGREP=          /usr/bin/egrep
  ELFWRAP=        /usr/bin/elfwrap
  KSH93=          /usr/bin/ksh93
  SED=            /usr/bin/sed
! AWK=            /usr/xpg4/bin/awk
  CP=             /usr/bin/cp -f
  MCS=            /usr/ccs/bin/mcs
  CAT=            /usr/bin/cat
  ELFDUMP=        /usr/ccs/bin/elfdump
  M4=             /usr/ccs/bin/m4