Remove tests expecting >64-bit ints (#65)

Fixes https://github.com/dart-lang/html/issues/64
diff --git a/pubspec.yaml b/pubspec.yaml
index 59f1650..09bf52e 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: html
-version: 0.13.2+2
+version: 0.13.3-dev
 author: Dart Team <misc@dartlang.org>
 description: A library for working with HTML documents. Previously known as html5lib.
 homepage: https://github.com/dart-lang/html
diff --git a/test/data/tokenizer/test4.test b/test/data/tokenizer/test4.test
index 80f859e..c0f3b2b 100644
--- a/test/data/tokenizer/test4.test
+++ b/test/data/tokenizer/test4.test
@@ -152,14 +152,6 @@
 "input":"&#4294967361;",
 "output":["ParseError", ["Character", "\uFFFD"]]},
 
-{"description":"65-bit hex numeric entity",
-"input":"&#x10000000000000041;",
-"output":["ParseError", ["Character", "\uFFFD"]]},
-
-{"description":"65-bit decimal numeric entity",
-"input":"&#18446744073709551681;",
-"output":["ParseError", ["Character", "\uFFFD"]]},
-
 {"description":"Surrogate code point edge cases",
 "input":"&#xD7FF;&#xD800;&#xD801;&#xDFFE;&#xDFFF;&#xE000;",
 "output":[["Character", "\uD7FF"], "ParseError", ["Character", "\uFFFD"], "ParseError", ["Character", "\uFFFD"], "ParseError", ["Character", "\uFFFD"], "ParseError", ["Character", "\uFFFD\uE000"]]},