Remove old iossim code (pre-Xcode 8) and class-dump.

third_party/class-dump/LICENSE

Index: third_party/class-dump/LICENSE
diff --git a/third_party/class-dump/LICENSE b/third_party/class-dump/LICENSE
deleted file mode 100644
index 598a5cc29309ac322c86299d7d345ca923e910e2..0000000000000000000000000000000000000000
--- a/third_party/class-dump/LICENSE
+++ /dev/null
@@ -1,27 +0,0 @@
-(Copied from the README.)
-
---------------------------------------------------------------------------------
-
-This file is part of class-dump, a utility for examining the
-Objective-C segment of Mach-O files.
-Copyright (C) 1997-1998, 2000-2001, 2004-2013 Steve Nygard.
-
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-Contact
--------
-
-You may contact the author by:
-   e-mail:  nygard at gmail.com