Revert "build: use version to setup build reproducibility (#595)"

This reverts commit 617d456.

svelte.config.js

@@ -1,12 +1,6 @@
 import adapter from "@sveltejs/adapter-static";
 import { vitePreprocess } from "@sveltejs/vite-plugin-svelte";
 import { mdsvex } from "mdsvex";
-import { readFileSync } from "node:fs";
-import { fileURLToPath } from "node:url";
-
-const file = fileURLToPath(new URL("package.json", import.meta.url));
-const json = readFileSync(file, "utf8");
-const { version } = JSON.parse(json);
 
 /** @type {import('@sveltejs/kit').Config} */
 const config = {
@@ -27,9 +21,6 @@ const config = {
     serviceWorker: {
       register: false,
     },
-    version: {
-      name: version,
-    },
   },
 };