docs: remove h4 (#13802)

Author: Rich-Harris

documentation/docs/60-appendix/10-faq.md

@@ -193,9 +193,7 @@ Sort of. The Plug'n'Play feature, aka 'pnp', is broken (it deviates from the Nod
 
 Currently ESM Support within the latest Yarn (version 3) is considered [experimental](https://github.com/yarnpkg/berry/pull/2161).
 
-The below seems to work although your results may vary.
-
-First create a new application:
+The below seems to work although your results may vary. First create a new application:
 
 ```sh
 yarn create svelte myapp
@@ -209,8 +207,6 @@ yarn set version berry
 yarn install
 ```
 
-#### Yarn 3 global cache
-
 One of the more interesting features of Yarn Berry is the ability to have a single global cache for packages, instead of having multiple copies for each project on the disk. However, setting `enableGlobalCache` to true causes building to fail, so it is recommended to add the following to the `.yarnrc.yml` file:
 
 ```yaml