Clean changelog_unreleased

changelog_unreleased/angular/17722.md

@@ -1,21 +0,0 @@
-#### Support Angular 21 (#17722, #18294 by @fisker)
-
-Angular 20.1 added support for new assignment operators.
-Angular 21 added support for regular expression.
-
-<!-- prettier-ignore -->
-```html
-<!-- Input -->
-<b (click)="
-  a   ??= b">{{  /\d+/g}}</b>
-
-<!-- Prettier stable -->
-<b
-  (click)="
-  a   ??= b"
-  >{{  /\d+/g}}</b
->
-
-<!-- Prettier main -->
-<b (click)="a ??= b">{{ /\d+/g }}</b>
-```

changelog_unreleased/angular/17862.md

@@ -1,15 +0,0 @@
-#### Fix comments get duplicated in interpolation (#17862 by @fisker)
-
-<!-- prettier-ignore -->
-```html
-<!-- Input -->
-{{a() // comment}}
-
-<!-- Prettier stable -->
-{{ a(// comment) // comment }}
-
-<!-- Prettier main -->
-{{
-  a() // comment
-}}
-```

changelog_unreleased/angular/18047.md

@@ -1,13 +0,0 @@
-#### Fix formatting of "non-null assertion" (#18047 by @fisker)
-
-<!-- prettier-ignore -->
-```html
-<!-- Input -->
-{{ foo?.bar!.baz }}
-
-<!-- Prettier stable -->
-{{ (foo?.bar)!.baz }}
-
-<!-- Prettier main -->
-{{ foo?.bar!.baz }}
-```