doc: drop old ip command documentation

The old IP cross reference manual was very out of date, barely updated
since 1999.  The correct documentation is in the man pages.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>

Makefile

@@ -73,7 +73,7 @@ install: all
 		$(DESTDIR)$(DOCDIR)/examples
 	install -m 0644 $(shell find examples/diffserv -maxdepth 1 -type f) \
 		$(DESTDIR)$(DOCDIR)/examples/diffserv
-	@for i in $(SUBDIRS) doc; do $(MAKE) -C $$i install; done
+	@for i in $(SUBDIRS);  do $(MAKE) -C $$i install; done
 	install -m 0644 $(shell find etc/iproute2 -maxdepth 1 -type f) $(DESTDIR)$(CONFDIR)
 	install -m 0755 -d $(DESTDIR)$(BASH_COMPDIR)
 	install -m 0644 bash-completion/tc $(DESTDIR)$(BASH_COMPDIR)
@@ -84,7 +84,7 @@ snapshot:
 		> include/SNAPSHOT.h
 
 clean:
-	@for i in $(SUBDIRS) doc; \
+	@for i in $(SUBDIRS); \
 	do $(MAKE) $(MFLAGS) -C $$i clean; done
 
 clobber:

doc/Makefile

@@ -1,69 +0,0 @@
-PSFILES=ip-cref.ps 
-
-LATEX=latex
-DVIPS=dvips
-SGML2DVI=sgml2latex
-SGML2HTML=sgml2html -s 0
-LPR=lpr -Zsduplex
-SHELL=bash
-PAGESIZE=a4
-PAGESPERPAGE=2
-
-HTMLFILES=$(subst .sgml,.html,$(shell echo *.sgml))
-DVIFILES=$(subst .ps,.dvi,$(PSFILES))
-PDFFILES=$(subst .ps,.pdf,$(PSFILES))
-
-
-all: pstwocol
-
-pstwocol: $(PSFILES)
-
-html: $(HTMLFILES)
-
-dvi: $(DVIFILES)
-
-pdf: $(PDFFILES)
-
-print: $(PSFILES)
-	$(LPR) $(PSFILES)
-
-%.tex: %.sgml
-	$(SGML2DVI) --output=tex $<
-
-%.dvi: %.sgml
-	$(SGML2DVI) --output=dvi $<
-
-%.dvi: %.tex
-	@set -e; pass=2; echo "Running LaTeX $<"; \
-	while [ `$(LATEX) $< </dev/null 2>&1 | \
-		 grep -c '^\(LaTeX Warning: Label(s) may\|No file \|! Emergency stop\)'` -ge 1 ]; do \
-		if [ $$pass -gt 3 ]; then \
-			echo "Seems, something is wrong. Try by hands." ; exit 1 ; \
-		fi; \
-		echo "Re-running LaTeX $<, $${pass}d pass"; pass=$$[$$pass + 1]; \
-	done
-
-%.pdf: %.tex
-	@set -e; pass=2; echo "Running pdfLaTeX $<"; \
-	while [ `pdflatex $< </dev/null 2>&1 | \
-		 grep -c '^\(LaTeX Warning: Label(s) may\|No file \|! Emergency stop\)'` -ge 1 ]; do \
-		if [ $$pass -gt 3 ]; then \
-			echo "Seems, something is wrong. Try by hands." ; exit 1 ; \
-		fi; \
-		echo "Re-running pdfLaTeX $<, $${pass}d pass"; pass=$$[$$pass + 1]; \
-	done
-#%.pdf: %.ps
-#	ps2pdf $<
-
-%.ps: %.dvi
-	$(DVIPS) $< -o $@
-
-%.html: %.sgml
-	$(SGML2HTML) $<
-
-install:
-	install -m 0644 $(shell echo *.tex) $(DESTDIR)$(DOCDIR)
-	install -m 0644 $(shell echo *.sgml) $(DESTDIR)$(DOCDIR)
-
-clean:
-	rm -f *.aux *.log *.toc $(PSFILES) $(DVIFILES) *.html *.pdf

doc/SNAPSHOT.tex

@@ -1 +0,0 @@
-\def\Draft{020116}

doc/do-psnup

@@ -1,16 +0,0 @@
-#! /bin/bash
-# $1 = Temporary file . "string"
-# $2 = File to process . "string"
-# $3 = Page size . ie: a4 , letter ... "string"
-# $4 = Number of pages to fit on a single sheet . "numeric"
-
-if type psnup >&/dev/null; then
-	echo "psnup -$4 -p$3 $1 $2"
-	psnup -$4 -p$3 $1 $2
-elif type psmulti >&/dev/null; then
-	echo "psmulti $1 > $2"
-	psmulti $1 > $2
-else
-	echo "cp $1 $2"
-	cp $1 $2
-fi

doc/preamble.tex

@@ -1,26 +0,0 @@
-\textwidth   6.0in
-\textheight  8.5in
-
-\input SNAPSHOT
-
-\pagestyle{myheadings}
-\markboth{\protect\TITLE}{}
-\markright{{\protect\sc iproute2-ss\Draft}}
-
-% To print it in compact form: both sides on one sheet (psnup -2)
-\evensidemargin=\oddsidemargin
-
-\newenvironment{NB}{\bgroup \vskip 1mm\leftskip 1cm \footnotesize \noindent NB.
-}{\par\egroup \vskip 1mm}
-
-\def\threeonly{[2.3.15+ only] }
-
-\begin{document}
-
-\makeatletter
-\renewcommand{\@oddhead}{{\protect\sc iproute2-ss\Draft} \hfill \protect\arabic{page}}
-\makeatother
-\let\oldthefootnote\thefootnote
-\def\thefootnote{}
-\footnotetext{Copyright \copyright~1999 A.N.Kuznetsov}
-