Remove code associated with the old "kompile" functionality.

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

Index: pkg/front_end/testcases/inference/assign_local.dart.dartk.expect
diff --git a/pkg/front_end/testcases/inference/assign_local.dart.dartk.expect b/pkg/front_end/testcases/inference/assign_local.dart.dartk.expect
deleted file mode 100644
index e51ac1c3e210eb5750895cb72823655103b7b2e1..0000000000000000000000000000000000000000
--- a/pkg/front_end/testcases/inference/assign_local.dart.dartk.expect
+++ /dev/null
@@ -1,19 +0,0 @@
-library test;
-import self as self;
-import "dart:core" as core;
-
-class A<T extends core::Object> extends core::Object {
-  constructor •() → void
-    : super core::Object::•()
-    ;
-}
-class B<T extends core::Object> extends self::A<self::B::T> {
-  constructor •() → void
-    : super self::A::•()
-    ;
-}
-static method main() → dynamic {
-  core::num x;
-  dynamic x1 = x = 1;
-  dynamic x2 = x = 1.0;
-}