Delete super old and unused git-cl-upload-hook.

git-cl-upload-hook

-#!/usr/bin/python
-# Copyright (c) 2009 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-import os
-import sys
-from subprocess import Popen, PIPE
-
-# Try locating depot_tools from the user's PATH.
-depot_tools_path = None
-
-# First parse PATH if there's a "depot_tools" inside
-for path in os.environ.get("PATH").split(os.pathsep):
-  if not path.endswith("depot_tools") and not path.endswith("depot_tools/"):
-    continue
-  depot_tools_path = path
-  break
-
-# If depot_tools dir is not called depot_tools, or other weirdness
-if not depot_tools_path:
-  # Grab a `which gclient', which gives first match
-  # `which' also uses PATH, but is not restricted to specific directory name
-  path = Popen(["which", "gclient"], stdout=PIPE).communicate()[0].strip()
-  if path:
-    depot_tools_path = path.replace("/gclient","")
-
-# If we found depot_tools, add it to the script's import path.
-# Use realpath to normalize the actual path
-if depot_tools_path:
-  sys.path.insert(0, os.path.realpath(depot_tools_path))
-else:
-  print "ERROR: Could not find depot_tools in your PATH."
-  print "ERROR: Please add it to your PATH and try again."
-  sys.exit(1)
-
-# Try importing git_cl_hooks from depot_tools.
-try:
-  import git_cl_hooks
-except ImportError:
-  print "ERROR: Could not import git_cl_hooks from depot_tools in your PATH."
-  print "ERROR: Make sure %s is up-to-date and try again." % depot_tools_path
-  sys.exit(1)
-
-# Ensure we were called with the necessary number of arguments.
-program_name = os.path.basename(sys.argv[0])
-if len(sys.argv) != 2:
-  print "usage: %s [upstream branch]" % program_name
-  sys.exit(1)
-
-# Run the hooks library with our arguments.
-exec git_cl_hooks.RunHooks(hook_name=program_name, upstream_branch=sys.argv[1])