tools: Remove cvsignore-add.sh

This script is obsolete since moving to Git.

Close #3446.

tools/build/Makefile.am

@@ -6,8 +6,6 @@ packhex_SOURCES = packhex.c
 
 bin_SCRIPTS = install-if-change
 
-noinst_SCRIPTS = cvsignore-add.sh
-
-noinst_SCRIPTS += doxy-filter
+noinst_SCRIPTS = doxy-filter
 
 include $(top_srcdir)/../../automake/host.am

tools/build/cvsignore-add.sh

@@ -1,23 +0,0 @@
-#!/bin/sh
-#
-# Find a file in the directory tree and create or add to a .cvsignore
-# file that file name so it is ignored.
-#
-# Copyright 2001 Cybertec Pty Limited
-# All rights reserved.
-#
-
-#
-# We need one parameter, the file to add.
-#
-
-if [ $# -eq 0 ]; then
-  echo "Usage: $0 file, where file is the one to be added."
-  exit 1
-fi
-
-for f in `find . -name $1`;
-do
-  echo "`dirname $f`/.cvsignore"
-  echo "$1" >> `dirname $f`/.cvsignore
-done