XXXX don't ship bldenv and nightly

*** 27,45 ****
  
  SHELL=/usr/bin/ksh93
  
  SHFILES= \
          Install \
-         bldenv \
          build_cscope \
          bringovercheck \
          checkpaths \
          cstyle \
          elfcmp \
          flg.flp \
          genoffsets \
-         nightly \
          onu \
          protocmp.terse \
          sccscheck \
          webrev \
          which_scm \
--- 27,43 ----
*** 74,84 ****
  SCRIPTLINKS= \
          git-nits
  
  MAN1ONBLDFILES= \
          Install.1onbld \
-         bldenv.1onbld \
          bringovercheck.1onbld \
          cddlchk.1onbld \
          checkpaths.1onbld \
          check_rtime.1onbld \
          cstyle.1onbld \
--- 72,81 ----
*** 88,98 ****
          hdrchk.1onbld \
          interface_check.1onbld \
          interface_cmp.1onbld \
          jstyle.1onbld \
          mapfilechk.1onbld \
-         nightly.1onbld \
          onu.1onbld \
          sccscheck.1onbld \
          webrev.1onbld \
          which_scm.1onbld \
          ws.1onbld \
--- 85,94 ----
*** 112,122 ****
  EXCEPTFILES= \
          check_rtime \
          interface_check \
          interface_cmp
  
! CLEANFILES = $(SHFILES) $(PERLFILES) $(PYFILES) bldenv.1onbld onu.sh
  
  include ../Makefile.tools
  
  ROOTONBLDSCRIPTLINKS = $(SCRIPTLINKS:%=$(ROOTONBLDBIN)/%)
  ROOTONBLDMAN1ONBLDLINKS = $(MAN1ONBLDLINKS:%=$(ROOTONBLDMAN1ONBLD)/%)
--- 108,118 ----
  EXCEPTFILES= \
          check_rtime \
          interface_check \
          interface_cmp
  
! CLEANFILES = $(SHFILES) $(PERLFILES) $(PYFILES) onu.sh
  
  include ../Makefile.tools
  
  ROOTONBLDSCRIPTLINKS = $(SCRIPTLINKS:%=$(ROOTONBLDBIN)/%)
  ROOTONBLDMAN1ONBLDLINKS = $(MAN1ONBLDLINKS:%=$(ROOTONBLDMAN1ONBLD)/%)
*** 150,181 ****
                  $(ROOTONBLDEXCEPTFILES) $(ROOTONBLDMAN1ONBLDLINKS)
  
  clean:
          $(RM) $(CLEANFILES)
  
- bldenv: bldenv.sh stdenv.sh
-         $(RM) "$@"
-         sed -e '/# STDENV_START/ r stdenv.sh' bldenv.sh > "$@"
-         # Check for shell lint and fail if we hit warnings
-         shlintout="$$( /usr/bin/ksh93 -n "$@" 2>&1 )" ; \
-                 [[ "$${shlintout}" != "" ]] && \
-                 { print -r -- "$${shlintout}" ; false ; } || true
-         $(CHMOD) +x "$@"
- 
- bldenv.1onbld: bldenv
-         $(RM) "$@"
-         (set +o errexit ; ksh93 $? --nroff ; true) 2>&1 | \
-         sed -e 's/\.DS/.nf/g;s/\.DE/.fi/' \
-         -e 's/\.TH BLDENV 1/.TH BLDENV 1ONBLD "September 4, 2018"/' \
-         -e 's/.OP \([a-z]\) - flag -/.OP \\-\1/g' \
-         -e 's/(1)/(1ONBLD)/' > "$@"
- 
- nightly: nightly.sh stdenv.sh
-         $(RM) "$@"
-         sed -e '/# STDENV_START/ r stdenv.sh' nightly.sh > nightly
-         $(CHMOD) +x "$@"
- 
  #
  # Not run by default: bootstrap...
  check:
          $(ROOTONBLDBINMACH)/mandoc -Tlint -Wwarning $(MAN1ONBLDFILES)
  
--- 146,155 ----