Update rasta outline expectations.

pkg/front_end/test/fasta/rasta/typedef.dart.outline.expect

Index: pkg/front_end/test/fasta/rasta/typedef.dart.outline.expect
diff --git a/pkg/front_end/test/fasta/rasta/typedef.dart.outline.expect b/pkg/front_end/test/fasta/rasta/typedef.dart.outline.expect
index dddec203cdf78f3de1bd7d3aee852f246d216fbf..6a28c0dd5404a9ac6633a2c09b263973b2b2bf1d 100644
--- a/pkg/front_end/test/fasta/rasta/typedef.dart.outline.expect
+++ b/pkg/front_end/test/fasta/rasta/typedef.dart.outline.expect
@@ -1,10 +1,5 @@
 library;
 import self as self;
-import "dart:core" as core;
 
-static method main() → dynamic {
-  core::print(() → void);
-  let final dynamic #t1 = null in invalid-expression;
-  () → void;
-  () → void.call();
-}
+static method main() → dynamic
+  ;