chore(benchmark): Enable insights in benchmarks by default and remove most insights specific benchmark setups (#17892)

packages/@n8n/benchmark/scripts/n8n-setups/scaling-single-main-without-insights/setup.mjs

@@ -0,0 +1,15 @@
+#!/usr/bin/env zx
+
+import path from 'path';
+import { fs } from 'zx';
+
+/**
+ * Creates the needed directories so the permissions get set correctly.
+ */
+export function setup({ runDir }) {
+	const neededDirs = ['n8n-worker1', 'n8n-worker2', 'n8n-main', 'postgres'];
+
+	for (const dir of neededDirs) {
+		fs.ensureDirSync(path.join(runDir, dir));
+	}
+}