Rollup merge of #57267 - rust-lang:SimonSapin-patch-1, r=varkor

src/jemalloc is gone, remove its mention from COPYRIGHT The `src/jemalloc` submodule was removed in 61e8944 / #55238.

Author: kennytm

COPYRIGHT

@@ -229,35 +229,3 @@ their own copyright notices and license terms:
  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
  USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
  OF SUCH DAMAGE. */
-
-* jemalloc, under src/jemalloc:
-
- Copyright (C) 2002-2014 Jason Evans
- <jasone@canonware.com>. All rights reserved.
- Copyright (C) 2007-2012 Mozilla Foundation.
- All rights reserved.
- Copyright (C) 2009-2014 Facebook, Inc.
- All rights reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions are met:
- 1. Redistributions of source code must retain the above copyright notice(s),
- this list of conditions and the following disclaimer.
- 2. Redistributions in binary form must reproduce the above copyright notice(s),
- this list of conditions and the following disclaimer in the documentation
- and/or other materials provided with the distribution.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S)
- ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
- INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S)
- BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
- IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
- OF SUCH DAMAGE.