Update scripts to specify python2

Also remove zipfile from update.py as that path was removed
upstream.

Bug: 185400108
Test: they run
Change-Id: Iff693cf656a9bbdcf7960d8beb4626315e7af57f

2 files changed, 2 insertions, 3 deletions

diff --git a/systrace.py b/systrace.py
index 71da6500..7bd45376 100755
--- a/systrace.py
+++ b/systrace.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 
 # Copyright (c) 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
diff --git a/update.py b/update.py
index 2e44e985..d23e2b3b 100755
--- a/update.py
+++ b/update.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 
 import optparse
 import os
@@ -13,7 +13,6 @@ PACKAGE_DIRS = [
     'devil',
     'systrace',
     'third_party/pyserial',
-    'third_party/zipfile',
     'third_party/polymer',
     'tracing/tracing/trace_data',
 ]