message: docs(customize-theme): remove obsolete warning
diff: @@ -180,10 +180,6 @@ const overrides = extendTheme({
  })
  ```
  -> WARNING: If you do use a function in a style override, you will NOT inherit
  -> the existing styles like you will with an object. `extendTheme` will only
  -> merge style objects, not functions
  -
  ## Scaling out your project
  As your project grows in size, it's best to keep things organized. We highly
  