Add admonition type to shortcode (#9482)

* Change existing admon blocks

* Fix includes issue

content/en/docs/concepts/overview/working-with-objects/common-labels.md

@@ -19,7 +19,7 @@ Instead, applications are informal and described with metadata. The definition o
 what an application contains is loose.
 
 {{< note >}}
-**Note:** These are recommended labels. They make it easier to manage applications
+These are recommended labels. They make it easier to manage applications
 but aren't required for any core tooling.
 {{< /note >}}
 

content/en/docs/concepts/overview/working-with-objects/labels.md

@@ -66,7 +66,7 @@ An empty label selector (that is, one with zero requirements) selects every obje
 A null label selector (which is only possible for optional selector fields) selects no objects.
 
 {{< note >}}
-**Note**: the label selectors of two controllers must not overlap within a namespace, otherwise they will fight with each other.
+The label selectors of two controllers must not overlap within a namespace, otherwise they will fight with each other.
 {{< /note >}}
 
 ### _Equality-based_ requirement