test: Remove root folder creation from integration tests

This should be handled by the initializer

test/integration/Config.ts

@@ -1,4 +1,3 @@
-import { mkdirSync } from 'fs';
 import type { IModuleState } from 'componentsjs';
 import { ComponentsManager } from 'componentsjs';
 import * as rimraf from 'rimraf';
@@ -27,10 +26,6 @@ export function getTestFolder(name: string): string {
   return joinFilePath(__dirname, '../tmp', name);
 }
 
-export function createFolder(folder: string): void {
-  mkdirSync(folder, { recursive: true });
-}
-
 export function removeFolder(folder: string): void {
   rimraf.sync(folder, { glob: false });
 }