Remove experimental ARM info (#617)

Author: fhennig

modules/ROOT/pages/release-notes.adoc

@@ -150,7 +150,7 @@ The following are selected product features provided by new versions available i
 Support for the ARM architecture::
 During the development of this release, we started introducing support for the arm64 architecture.
 Currently support is experimental, and we only provide arm64 images for the previous release (23.11).
-For more information on how to use the ARM images, refer to the xref:concepts:arm64-support.adoc[documentation].
+For more information on how to use the ARM images, refer to the xref:concepts:container-images.adoc#multi-platform-support[documentation].
 
 === Product versions
 

modules/concepts/nav.adoc

@@ -4,7 +4,6 @@
 *** xref:roles-and-role-groups.adoc[]
 *** xref:product_image_selection.adoc[]
 *** xref:overrides.adoc[Advanced: overrides]
-*** xref:arm64-support.adoc[]
 ** Resources
 *** xref:resources.adoc[]
 *** xref:s3.adoc[]

modules/concepts/pages/arm64-support.adoc

@@ -34,6 +34,7 @@ Have a look at the xref:guides:viewing-and-verifying-sboms.adoc[] guide to learn
 == Multi-platform support
 
 Starting with Stackable release 24.7, all images are {multi-platform-images}[multi-platform images], supporting the AMD64 and ARM64 architectures.
+This means that Docker automatically pulls the correct image for your architecture based on the architecture it detects that it is running on.
 
 [#signatures]
 == Image signatures