updated parser a little, still figuring out why the server process exits early

git-svn-id: svn://anubis/fart/trunk@231 7f9b0f55-74a9-4bce-be96-3c2cd072584d

parser/parser.yy

@@ -347,14 +347,6 @@ shape: plane { $$ = $1; }
      | subtract { $$ = $1; }
      ;
 
-shape_items: /* empty */
-           | shape_item shape_items {
-                $$ = new ItemsNode();
-                $$->addChild($1);
-                $$->addChildren($2);
-            }
-           ;
-
 shape_item: material { $$ = $1; }
           | material_ref { $$ = $1; }
           | transform { $$ = $1; }