Updated to latest arc42 template version (9.0)

Author: bitsmuggler

documentation/arc42/03_context_and_scope.adoc

@@ -1,8 +1,5 @@
-:diagram-server-url: https://kroki.io
-:diagram-server-type: kroki_io
-
-[[section-system-scope-and-context]]
-== System Scope and Context
+[[section-context-and-context]]
+== Context and Scope
 
 === Business Context
 

documentation/arc42/05_building_block_view.adoc

@@ -1,6 +1,3 @@
-:diagram-server-url: https://kroki.io
-:diagram-server-type: kroki_io
-
 [[section-building-block-view]]
 == Building Block View
 

documentation/internet-banking-system.adoc

@@ -3,27 +3,12 @@ include::arc42/_config.adoc[]
 :doctype: book
 
 = Example Software Architecture Documentation with arc42 and the C4 model
-:revnumber: 8.2 EN
-:revdate: January 2023
+:revnumber: 9.0 EN
+:revdate: July 2025
 :revremark: (based upon AsciiDoc version)
 // toc-title definition MUST follow document title without blank line!
 :toc-title: Table of Contents
 
-//additional style for arc42 help callouts
-ifdef::backend-html5[]
-++++
-<style>
-.arc42help {font-size:small; width: 14px; height: 16px; overflow: hidden; position: absolute; right: 0; padding: 2px 0 3px 2px;}
-.arc42help::before {content: "?";}
-.arc42help:hover {width:auto; height: auto; z-index: 100; padding: 10px;}
-.arc42help:hover::before {content: "";}
-@media print {
-	.arc42help {display:none;}
-}
-</style>
-++++
-endif::backend-html5[]
-
 
 include::arc42/_about-arc42.adoc[]