Do not recommend crappy old containers in tutorial (#11514)

Removed link to and recommendation  for SQLContainer

documentation/articles/VaadinTutorialForSwingDevelopers.asciidoc

@@ -505,11 +505,7 @@ You can pretty easily write a totally custom version for your specific
 use case, but the strongly suggested method is to use helpers like
 https://vaadin.com/web/matti/blog/-/blogs/connecting-large-amounts-of-data-to-ui[LazyList]
 or https://vaadin.com/addon/lazy-query-container[LazyQueryContainer]
-instead. In most lazy loading cases, those are the tools that you really
-should use, but in some architectures you can also consider using
-https://vaadin.com/api/com/vaadin/data/util/sqlcontainer/SQLContainer.html[SqlContainer]
-or https://vaadin.com/addon/vaadin-jpacontainer[JPAContainer] which do
-rather optimized lazy loading automatically as well.
+instead.
 
 [[structuring_your_ui_code]]
 Structuring your UI code