Remove header license info

Author: srinivasreddy

rustup-init.sh

@@ -1,13 +1,4 @@
 #!/bin/bash
-# Copyright 2016 The Rust Project Developers. See the COPYRIGHT
-# file at the top-level directory of this distribution and at
-# http://rust-lang.org/COPYRIGHT.
-#
-# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-# option. This file may not be copied, modified, or distributed
-# except according to those terms.
 
 # This is just a little script that can be downloaded from the internet to
 # install rustup. It just does platform detection, downloads the installer