Remove util/harfbuzz/update-harfbuzz

This is not the correct script to update harfbuzz. The correct one is
src/3rdparty/harfbuzz-ng/import_from_tarball.sh

Change-Id: Ic9ed43cae591cd6957effb10f557166c43498ad9
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io>

util/harfbuzz/update-harfbuzz

@@ -1,63 +0,0 @@
-#!/bin/bash
-
-set -e
-
-require_clean_work_tree() {
-    # test if working tree is dirty
-    git rev-parse --verify HEAD > /dev/null &&
-    git update-index --refresh &&
-    git diff-files --quiet &&
-    git diff-index --cached --quiet HEAD ||
-    die "Working tree is dirty"
-}
-
-branch=master
-
-if [ $# = 1 ]; then
-    repo=$1
-elif [ $# = 2 ]; then
-    repo=$1
-    branch=$2
-else
-    echo "usage: $0 <path to local harfbuzz repository> [branch]"
-    exit 1
-fi
-
-if [ ! -r $repo/.git ]; then
-    echo "The provided path $repo does not point to a git repository."
-    exit 2
-fi
-
-test -z "$(git rev-parse --show-cdup)" || {
-       exit=$?
-       echo >&2 "You need to run this command from the toplevel of the working tree."
-       exit $exit
-}
-
-require_clean_work_tree
-
-url=`git --git-dir=$repo/.git config remote.origin.url`
-
-git ls-files src/3rdparty/harfbuzz | git update-index --force-remove --stdin
-
-git fetch $repo $branch
-
-commit=`git rev-parse FETCH_HEAD`
-tree=`git cat-file commit FETCH_HEAD|grep "^tree" | awk '{print $2}'`
-
-git read-tree --prefix=src/3rdparty/harfbuzz $tree
-
-git checkout src/3rdparty/harfbuzz
-
-git status
-
-cat >commitlog.txt <<EOT
-Updated Harfbuzz from $url to $commit
-EOT
-
-echo
-echo "Wrote commitlog.txt. Use with"
-echo
-echo "    git commit -e -F commitlog.txt"
-echo
-echo "to commit your changes"