Remove instances of Error message in source

documentation/articles/CreatingAReusableVaadinThemeInEclipse.asciidoc

@@ -10,8 +10,6 @@ can be reused in other Vaadin projects as an add-on.
 * https://www.eclipse.org/downloads/[Eclipse IDE for Java EE developers]
 * https://vaadin.com/eclipse/[Vaadin plug-in for Eclipse]
 
-[Error: Macro 'TableOfContents' doesn't exist]
-
 [[create-a-project-for-your-theme]]
 Create a project for your theme
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documentation/articles/OfflineModeForTouchKit4MobileApps.asciidoc

@@ -26,8 +26,6 @@ https://github.com/vaadin/parking-demo[here]. I suggest that you read
 this article before you try to understand the Parking demo source code,
 it will help you grasp the concepts demonstrated in the demo.
 
-[Error: Macro 'TableOfContents' doesn't exist]
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 [[demystifying-offline-mode]]
 Demystifying offline mode
 ~~~~~~~~~~~~~~~~~~~~~~~~~

documentation/articles/ScalaAndVaadinHOWTO.asciidoc

@@ -13,8 +13,6 @@ a new project. After that we'll introduce the Scaladin add-on and see
 how it enhances Vaadin components by adding features that leverage the
 power of Scala.
 
-[Error: Macro 'TableOfContents' doesn't exist]
-
 [[creating-a-new-eclipse-vaadin-project-with-scala]]
 Creating a new Eclipse Vaadin project with Scala
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^