Rewrite type definitions.

source/types.d.ts

@@ -1,36 +1,8 @@
-import type {html} from 'htm/preact';
+// Export something so TypeScript doesn't see this file as an ambient module.
+export {};
 
 declare global {
-  // See Vite documentation for `import.meta.env` usage.
+  const $browser: "chromium" | "firefox";
-  // https://vitejs.dev/guide/env-and-mode.html
-
-  interface ImportMeta {
-    readonly env: ImportMetaEnv;
-  }
-
-  interface ImportMetaEnv {
-    readonly BASE_URL: string;
-    readonly DEV: boolean;
-    readonly MODE: string;
-    readonly PROD: boolean;
-    readonly VITE_BROWSER: 'chromium' | 'firefox';
-  }
-
-  type HtmComponent = ReturnType<typeof html>;
-
-  namespace Queue {
-    type Item = {
-      added: Date;
-      id: number;
-      sortIndex: number;
-      text: string;
-      url: string;
-    };
-
-    type MoveDirection = 'up' | 'down';
-  }
-
-  const $browser: 'chromium' | 'firefox';
   const $dev: boolean;
   const $test: boolean;
 }