Remove released changelogs

changelog_unreleased/angular/18378.md

@@ -1,30 +0,0 @@
-#### Don't print attribute values that are single template or string literals on new lines (#18378 by @ravindUwU)
-
-<!-- prettier-ignore -->
-```html
-<!-- Input -->
-<component
-  [property]="`
-    template
-    literal
-  `"
-/>
-
-<!-- Prettier stable -->
-<component
-  [property]="
-    `
-    template
-    literal
-  `
-  "
-/>
-
-<!-- Prettier main -->
-<component
-  [property]="`
-    template
-    literal
-  `"
-/>
-```

changelog_unreleased/angular/18593.md

@@ -1,25 +0,0 @@
-#### Add support for multiple switch cases (#18593 by @fisker)
-
-This feature added in Angular v21.1.
-
-<!-- prettier-ignore -->
-```html
-<!-- Input -->
-@switch (foo) {
-  @case (0)
-  @case (1) {
-    <div>case 0 or 1</div>
-  }
-}
-
-<!-- Prettier stable -->
-SyntaxError: Incomplete block "case". If you meant to write the @ character, you should use the "&#64;" HTML entity instead. (2:3)
-
-<!-- Prettier main -->
-@switch (a) {
-  @case (0)
-  @case (1) {
-    <div>case 0 or 1</div>
-  }
-}
-```

changelog_unreleased/angular/18596.md

@@ -1,17 +0,0 @@
-#### Support spread element in array and object literals (#18596, #18636 by @prettier)
-
-<!-- prettier-ignore -->
-```html
-<!-- Input -->
-<component
-  [a]="[   ...a]"
-  [b]="{...bar  }"
-  [c]="call(  ...baz)"
-/>
-
-<!-- Prettier stable -->
-<component [a]="[   ...a]" [b]="{...bar  }" [c]="call(  ...baz)" />
-
-<!-- Prettier main -->
-<component [a]="[...a]" [b]="{ ...bar }" [c]="call(...baz)" />
-```

changelog_unreleased/markdown/18519.md

@@ -1,37 +0,0 @@
-#### Support formatting Angular syntax in code block (#18519 by @fisker)
-
-<!-- prettier-ignore -->
-````md
-<!-- Input -->
-```angular-ts
-@Component({
-  selector: 'app-root',
-  template: `<div
->Welcome to {{
-  Angular}}! </div>`,
-})
-export class App {}
-```
-
-```angular-html
-<div
->Welcome to {{
-  Angular}}! </div>
-```
-
-<!-- Prettier stable -->
-Same as input
-
-<!-- Prettier main -->
-```angular-ts
-@Component({
-  selector: "app-root",
-  template: `<div>Welcome to {{ Angular }}!</div>`,
-})
-export class App {}
-```
-
-```angular-html
-<div>Welcome to {{ Angular }}!</div>
-```
-````