Remove deprecated create-hooks script

bin/create-hooks

-#!/usr/bin/env ruby
-
-# Recreate GitLab hooks in the Git repositories managed by GitLab.
-#
-# This script is used when restoring a GitLab backup.
-
-require_relative '../lib/gitlab_init'
-require File.join(ROOT_PATH, 'lib', 'gitlab_metrics')
-require 'fileutils'
-
-def create_hooks(path)
-  global_hooks_directory = File.join(ROOT_PATH, 'hooks')
-  local_hooks_directory = File.join(path, 'hooks')
-  real_local_hooks_directory = :not_found
-
-  begin
-    real_local_hooks_directory = File.realpath(local_hooks_directory)
-  rescue Errno::ENOENT
-    # real_local_hooks_directory == :not_found
-  end
-
-  if real_local_hooks_directory != File.realpath(global_hooks_directory)
-    if File.exist?(local_hooks_directory)
-      $logger.info "Moving existing hooks directory and symlinking global hooks directory for #{path}."
-      FileUtils.mv(local_hooks_directory, "#{local_hooks_directory}.old.#{Time.now.to_i}")
-    end
-    FileUtils.ln_sf(global_hooks_directory, local_hooks_directory)
-  else
-    $logger.info "Hooks already exist for #{path}."
-    true
-  end
-end
-
-repository_storage_paths = ARGV
-
-repository_storage_paths.each do |repo_path|
-  Dir["#{repo_path.chomp('/')}/**/*.git"].each do |repo|
-    begin
-      GitlabMetrics.measure('command-create-hooks') do
-        create_hooks(repo)
-      end
-    rescue Errno::ENOENT
-      # The user must have deleted their repository. Ignore.
-    end
-  end
-end

support/rewrite-hooks.sh

-#!/bin/bash
-# This script is deprecated. Use bin/create-hooks instead.
-
-gitlab_shell_dir="$(cd $(dirname $0) && pwd)/.."
-exec ${gitlab_shell_dir}/bin/create-hooks