Remove Maven from referece documentation

Save details like Maven documentation for the in-depth guides.

docs/src/docs/asciidoc/guides/httpsession.adoc

@@ -6,8 +6,6 @@ This guide describes how to use Spring Session to transparently leverage Redis t
 
 NOTE: The completed guide can be found in the <<httpsession-sample, httpsession sample application>>.
 
-// tag::config[]
-
 == Updating Dependencies
 Before you use Spring Session, you must ensure to update your dependencies.
 If you are using Maven, ensure to add the following dependencies:
@@ -66,6 +64,8 @@ Ensure you have the following in your pom.xml:
 ----
 endif::[]
 
+// tag::config[]
+
 [[httpsession-spring-configuration]]
 == Spring Configuration