README: don't use deprecated top-scope syntax

kenyon · kenyon · commit fd209cf057af · 2024-02-07T08:58:29.000-08:00
diff --git a/README.md b/README.md
@@ -78,7 +78,7 @@ class { 'lvm':
 This could be really convenient when used with hiera:
 
 ```puppet
-include ::lvm
+include lvm
 ```
 and
 ```yaml
