Update LICENSE

The autotools install script isn't bundled with Lucy anymore.

LICENSE

@@ -307,21 +307,3 @@ which has been released into the public domain by its authors as explained at
 This product bundles the text of the Constitution of the United States of
 America, which is in the public domain.
 
-This product bundles the install-sh script from the GNU autotools project,
-which is released under an MIT/X11 license.
-
-     install - install a program, script, or datafile
-     This comes from X11R5 (mit/util/scripts/install.sh).
-
-     Copyright 1991 by the Massachusetts Institute of Technology
-
-     Permission to use, copy, modify, distribute, and sell this software and its
-     documentation for any purpose is hereby granted without fee, provided that
-     the above copyright notice appear in all copies and that both that
-     copyright notice and this permission notice appear in supporting
-     documentation, and that the name of M.I.T. not be used in advertising or
-     publicity pertaining to distribution of the software without specific,
-     written prior permission.  M.I.T. makes no representations about the
-     suitability of this software for any purpose.  It is provided "as is"
-     without express or implied warranty.
-