Update rasta outline expectations.

pkg/front_end/test/fasta/rasta/issue_000081.dart.outline.expect

 library;
 import self as self;
 import "dart:core" as core;
 
 class Base extends core::Object {
   field core::int hashCode;
-  constructor •() → self::Base
-    : self::Base::hashCode = 42, super core::Object::•();
+  constructor •() → void
+    ;
 }
 class Sub extends self::Base {
   field core::int _hashCode;
-  constructor •() → self::Sub
-    : self::Sub::_hashCode = null, super self::Base::•();
+  constructor •() → void
+    ;
   get hashCode() → dynamic
-    return let final dynamic #t1 = this._hashCode in #t1.==(null) ? this._hashCode = super.{self::Base::hashCode} : #t1;
-  method foo() → dynamic {
-    this._hashCode.==(null) ? this._hashCode = super.{self::Base::hashCode} : null;
-  }
+    ;
+  method foo() → dynamic
+    ;
 }
-static method main() → dynamic {
-  core::print(new self::Sub::•().hashCode);
-  dynamic l = <dynamic>[null];
-  let final dynamic #t2 = l in let final dynamic #t3 = 0 in #t2.[](#t3).==(null) ? #t2.[]=(#t3, "fisk") : null;
-}
+static method main() → dynamic
+  ;