Simplify types (#28749)

src/@types/png-chunks-extract.d.ts

@@ -1,18 +0,0 @@
-/*
-Copyright 2024 New Vector Ltd.
-Copyright 2021 The Matrix.org Foundation C.I.C.
-
-SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
-Please see LICENSE files in the repository root for full details.
-*/
-
-declare module "png-chunks-extract" {
-    interface IChunk {
-        name: string;
-        data: Uint8Array;
-    }
-
-    function extractPngChunks(data: Uint8Array): IChunk[];
-
-    export default extractPngChunks;
-}

src/@types/sanitize-html.d.ts

@@ -1,15 +0,0 @@
-/*
-Copyright 2024 New Vector Ltd.
-Copyright 2020 The Matrix.org Foundation C.I.C.
-
-SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
-Please see LICENSE files in the repository root for full details.
-*/
-
-import sanitizeHtml from "sanitize-html";
-
-export interface IExtendedSanitizeOptions extends sanitizeHtml.IOptions {
-    // This option only exists in 2.x RCs so far, so not yet present in the
-    // separate type definition module.
-    nestingLimit?: number;
-}