Remove some additional code that depended on the old type propagation.

pkg/kernel/testcases/type-propagation/named_parameters.baseline.txt

Index: pkg/kernel/testcases/type-propagation/named_parameters.baseline.txt
diff --git a/pkg/kernel/testcases/type-propagation/named_parameters.baseline.txt b/pkg/kernel/testcases/type-propagation/named_parameters.baseline.txt
deleted file mode 100644
index d005aa22b8371555694237d399def780e0689b3b..0000000000000000000000000000000000000000
--- a/pkg/kernel/testcases/type-propagation/named_parameters.baseline.txt
+++ /dev/null
@@ -1,31 +0,0 @@
-library;
-import self as self;
-import "dart:core" as core;
-
-class Superclass extends core::Object {
-  constructor •() → void
-    : super core::Object::•()
-    ;
-  method foo({dynamic/Null alpha, dynamic/Null beta}) → dynamic/Null {}
-  method bar({dynamic/Null beta, dynamic/Null alpha}) → dynamic/Null {}
-  method namedCallback(({alpha: core::String, beta: core::int}) → dynamic/Nothing callback) → dynamic/Null {
-    callback.call(alpha: "one", beta: 2);
-    callback.call(beta: 1, alpha: "two");
-  }
-}
-class Subclass extends self::Superclass {
-  constructor •() → void
-    : super self::Superclass::•()
-    ;
-  method foo({dynamic/core::int* {null,int} beta, dynamic/core::int* {null,int} alpha}) → dynamic/Null {}
-  method bar({dynamic/Null alpha, dynamic/Null beta}) → dynamic/Null {}
-  method namedCallback(({alpha: core::String, beta: core::int}) → dynamic/Nothing callback) → dynamic/Null {}
-}
-static method topLevelNamed(dynamic/core::int* {int} beta, dynamic/core::int* {int} alpha, {dynamic/core::int* {null,int} gamma, dynamic/core::int* {null,int} delta}) → dynamic/Null {}
-static method topLevelOptional(dynamic/Nothing beta, dynamic/Nothing alpha, [dynamic/Null gamma, dynamic/Null delta]) → dynamic/Null {}
-static method main() → dynamic/Null {
-  new self::Subclass::•().foo(beta: 1, alpha: 2);
-  new self::Subclass::•().foo(alpha: 1, beta: 2);
-  self::topLevelNamed(1, 2, gamma: 3, delta: 4);
-  self::topLevelNamed(1, 2, delta: 3, gamma: 4);
-}