fix #27408, reverts "ignore dynamic in inference"

CHANGELOG.md

Index: CHANGELOG.md
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 00dcad4a6026a967c62d84b554b2ae0043ee6fdc..4285fc9e74e4d16ba76b04d55de73f6278d13c24 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -108,15 +108,6 @@
     class C extends A {}
     ```
 
-* Breaking change - ingore `dynamic` when doing inference.
-
-    ```dart
-    main() {
-      dynamic d = 42;
-      List<int> list = /*infer <int>*/[123, /*implicit cast*/d];
-    }
-    ```
-
 ### Tool changes
 
 * `dartfmt` - upgraded to v0.2.10