fix: Remove duplicated Java reserved word from scsLib.js (#68)

Author: beni0888

lib/scsLib.js

@@ -84,7 +84,6 @@ ScsLib.reservedWords.add('abstract');
 ScsLib.reservedWords.add('assert');
 ScsLib.reservedWords.add('boolean');
 ScsLib.reservedWords.add('break');
-ScsLib.reservedWords.add('boolean');
 ScsLib.reservedWords.add('byte');
 ScsLib.reservedWords.add('case');
 ScsLib.reservedWords.add('catch');