Remove code associated with the old "kompile" functionality.

pkg/front_end/testcases/inference/future_union_upwards_generic_methods.dart.dartk.expect

-library test;
-import self as self;
-import "dart:core" as core;
-
-class A extends core::Object {
-  constructor •() → void
-    : super core::Object::•()
-    ;
-}
-class B extends self::A {
-  constructor •() → void
-    : super self::A::•()
-    ;
-}
-class C extends self::A {
-  constructor •() → void
-    : super self::A::•()
-    ;
-}
-static method main() → dynamic {
-  dynamic b = throw new core::NoSuchMethodError::•(null, #Future<B>.value, <dynamic>[throw new core::NoSuchMethodError::•(null, #B, <dynamic>[], <dynamic, dynamic>{}, null)], <dynamic, dynamic>{}, null);
-  dynamic c = throw new core::NoSuchMethodError::•(null, #Future<C>.value, <dynamic>[throw new core::NoSuchMethodError::•(null, #C, <dynamic>[], <dynamic, dynamic>{}, null)], <dynamic, dynamic>{}, null);
-  dynamic lll = <dynamic>[b, c];
-  dynamic result = await throw new core::NoSuchMethodError::•(null, #wait, <dynamic>[lll], <dynamic, dynamic>{}, null);
-  dynamic result2 = await throw new core::NoSuchMethodError::•(null, #wait, <dynamic>[<dynamic>[b, c]], <dynamic, dynamic>{}, null);
-  core::List<dynamic> list = result;
-  list = result2;
-}