chore: omit preamble from generated index.d.ts

The preamble is no longer included in typedefs.

See https://github.com/DefinitelyTyped/DefinitelyTyped/blob/dedac444242c95ad88d7d8b3d50c4153902b3555/types/carbon__icons-react/index.d.ts

package.json

@@ -6,7 +6,7 @@
   },
   "devDependencies": {
     "@carbon/icons": "11.28.0",
-    "@types/react": "^18.2.25",
+    "@types/react": "^18.2.31",
     "bun-types": "latest",
     "dprint": "^0.41.0"
   }

src/index.ts

@@ -1,9 +1,8 @@
 import type { BuildIcons } from "@carbon/icons";
 import metadata from "@carbon/icons/metadata.json";
-import fs from "fs";
-import path from "path";
-import packageJson from "../package.json";
-import { ensureFolder, getVersion } from "./utils";
+import fs from "node:fs";
+import path from "node:path";
+import { ensureFolder } from "./utils";
 
 interface GenCarbonIconsReactTypesOptions {
   /** @default Infinity */
@@ -60,14 +59,7 @@ export const genCarbonIconsReactTypes = (
       });
     });
 
-  const version = getVersion(packageJson.devDependencies["@carbon/icons"]);
-  const preamble = `// Type definitions for @carbon/icons-react ${version}
-// Project: https://github.com/carbon-design-system/carbon/tree/master/packages/icons-react
-// Definitions by: Eric Liu <https://github.com/metonym>
-// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
-// TypeScript Version: 4.0
-
-/** ${data.length} icons total */
+  const preamble = `/** ${data.length} icons total */
 
 export interface CarbonIconProps
   extends Omit<

src/utils.ts

@@ -1,10 +1,6 @@
-import fs from "fs";
+import fs from "node:fs";
 
 export const ensureFolder = (folder: string) => {
   if (fs.existsSync(folder)) fs.rmSync(folder, { recursive: true });
   fs.mkdirSync(folder, { recursive: true });
 };
-
-export const getVersion = (semver: string) => {
-  return semver.slice(0, -2).replace(/^(\^|~)/, "");
-};