Merge pull request #5911 from storybooks/4995-custom-presets

Remove custom presets warning

lib/core/src/server/common/custom-presets.js

@@ -1,17 +1,7 @@
 import path from 'path';
-import { logger } from '@storybook/node-logger';
 import serverRequire from '../utils/server-require';
 
 export default function loadCustomPresets({ configDir }) {
   const presets = serverRequire(path.resolve(configDir, 'presets'));
-
-  if (presets) {
-    logger.warn(
-      '"Custom presets" is an experimental and undocumented feature that will be changed or deprecated soon. Use it on your own risk.'
-    );
-
-    return presets;
-  }
-
-  return [];
+  return presets || [];
 }