Better mac fix

Change-Id: Idadd64cb3dc7d318e198da0d59029e3dfd097047
diff --git a/build-gn/remove_files.py b/build-gn/remove_files.py
index da62368..4bcc743 100755
--- a/build-gn/remove_files.py
+++ b/build-gn/remove_files.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python
 
 # Copyright (C) 2019 The ANGLE Project Authors.
 #