remove print statement

src/test/AssignmentHangmanRulesSpec.rsc

 module \test::AssignmentHangmanRulesSpec
 
 import Set;
-import IO;
 import lang::java::m3::Core;
 
 import \test::SpecUtil;
@@ -48,9 +47,8 @@ test bool aHangmanparameterizedView()
 test bool aHangmanDoubleZip()
 {
   errors = allAssignmentHangmanRules(loadTestProject("assignment02-double-zip"));
-  for( err <- errors ) println(err);
   return
     { "There should be a Main class"
     , "There should be a class called Gallows"
     } == messages(errors);
-}
\ No newline at end of file
+}