Fix Terrier license

LICENSE-3DPARTY

@@ -497,35 +497,18 @@ Incorporates the English stop word list of the Terrier IR Platform
     - at /common/assets/wordlists/stopwords-terrier-english.txt
     - from http://terrier.org
 
-    The contents of this file are subject to the Mozilla Public License
-    Version 1.1 (the "License"); you may not use this file except in
-    compliance with the License. You may obtain a copy of the License at
-    http://www.mozilla.org/MPL/
-
-    Software distributed under the License is distributed on an "AS IS"
-    basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
-    License for the specific language governing rights and limitations
-    under the License.
-
-    The Original Code is ______________________________________.
-
-    The Initial Developer of the Original Code is ________________________.
-    Portions created by ______________________ are Copyright (C) ______
-    _______________________. All Rights Reserved.
-
-    Contributor(s): ______________________________________.
-
-    Alternatively, the contents of this file may be used under the terms
-    of the _____ license (the  "[___] License"), in which case the
-    provisions of [______] License are applicable instead of those
-    above.  If you wish to allow use of your version of this file only
-    under the terms of the [____] License and not to allow others to use
-    your version of this file under the MPL, indicate your decision by
-    deleting  the provisions above and replace  them with the notice and
-    other provisions required by the [___] License.  If you do not delete
-    the provisions above, a recipient may use your version of this file
-    under either the MPL or the [___] License.
-
+    The source and binary forms of Terrier are subject to the
+    Mozilla Public License Version 1.1 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at http://www.mozilla.org/MPL/.
+
+    Software distributed under the License is distributed on
+    an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either
+    expressed or implied. See the License for the specific language
+    governing rights and limitations under the License.
+
+    Terrier is Copyright (C) 2004-2021 the University of Glasgow.
+    All Rights Reserved.
 
 -------------------------------------------------------------------------------
 Incorporates stopword lists from the stopwords-iso project