Clean released changelog

Keep changelog_unreleased/javascript/19629.md to announce in minor release again

changelog_unreleased/typescript/19621.md

@@ -1,19 +0,0 @@
-#### Preserve quotes for methods named `new` (#19621 by @kovsu)
-
-<!-- prettier-ignore -->
-```tsx
-// Input
-interface Container {
-  "new"(id: string): number;
-}
-
-// Prettier stable
-interface Container {
-  new(id: string): number;
-}
-
-// Prettier main
-interface Container {
-  "new"(id: string): number;
-}
-```