Remove mojom_list_outputs.py.

It's only useful for gyp, which we don't use/support.

R=jamesr@chromium.org

Review URL: https://codereview.chromium.org/1707133002 .
diff --git a/mojo/public/tools/bindings/mojom_list_outputs.py b/mojo/public/tools/bindings/mojom_list_outputs.py
deleted file mode 100755
index efaef8d..0000000
--- a/mojo/public/tools/bindings/mojom_list_outputs.py
+++ /dev/null
@@ -1,33 +0,0 @@
-#!/usr/bin/env python
-# Copyright 2014 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 argparse
-import os.path
-import sys
-
-def main():
-  parser = argparse.ArgumentParser(
-      description="GYP helper script for mapping mojoms => generated outputs.")
-  parser.add_argument("--basedir", required=True)
-  parser.add_argument("mojom", nargs="*")
-
-  args = parser.parse_args()
-
-  for mojom in args.mojom:
-    full = os.path.join("<(SHARED_INTERMEDIATE_DIR)", args.basedir, mojom)
-    base, ext = os.path.splitext(full)
-    assert ext == ".mojom", mojom
-    # Fix filename escaping issues on Windows.
-    base = base.replace("\\", "/")
-    print base + ".mojom.cc"
-    print base + ".mojom.h"
-    print base + ".mojom-internal.h"
-    print base + ".mojom.js"
-    print base + "_mojom.py"
-
-  return 0
-
-if __name__ == "__main__":
-  sys.exit(main())