Get type.html instead of type-exceptions.html

It turns out that type.html is more reliable (type-exceptions.html currently
contains no table of exceptions), contains the required string to match, and
has roughly 30K to download (which starts to get close to what is required
for the test).

t/get-perl6-org.t

@@ -12,9 +12,7 @@ ok(
 );
 
 # a page over 64K would be ideal but a bit slow and not really needed yet
-$html = LWP::Simple.get(
-    'http://doc.perl6.org/type-exceptions.html'
-);
+$html = LWP::Simple.get('http://doc.perl6.org/type.html');
 ok(
     $html.match('X::Attribute::Undeclared') &&
         $html.match('</html>'),