build(tsdown): remove deprecated bundle prop from config

Author: TheEdoRan

packages/next-safe-action/tsdown.config.ts

@@ -2,7 +2,6 @@ import { defineConfig } from "tsdown";
 
 export default defineConfig({
 	entry: ["src/index.ts", "src/hooks.ts", "src/stateful-hooks.ts"],
-	bundle: true,
 	format: ["esm"],
 	clean: true,
 	sourcemap: true,