Delete the revert.py tool.

revert

Index: revert
diff --git a/revert b/revert
deleted file mode 100755
index 0758d64759c94c4fd705e45a8a663c0b3e62dafb..0000000000000000000000000000000000000000
--- a/revert
+++ /dev/null
@@ -1,14 +0,0 @@
-#!/bin/bash
-# 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.
-
-base_dir=$(dirname "$0")
-
-# Use the batch file as an entry point if on cygwin.
-if [ "${OSTYPE}" = "cygwin" -a "${TERM}" != "xterm" ]; then
-   ${base_dir}/revert.bat "$@"
-   exit
-fi
-
-exec python "$base_dir/revert.py" "$@"