DOC-3198: Omit onboarding UI from promotions page.

Author: kemister85

modules/ROOT/pages/7.8.0-release-notes.adoc

@@ -257,12 +257,12 @@ tinymce.init({
 </p>
 ----
 
-=== New `onboarding` option
-// #TINY-11931
+// === New `onboarding` option
+// // #TINY-11931
 
-{productname} {release-version} introduces a new `+onboarding+` option to enhance the developer experience during the 14-day trial period. This option controls the display of a cloud promotion banner highlighting paid features available during the trial. The banner is automatically hidden when the trial ends or when the editor is correctly configured, ensuring a smoother and less intrusive setup experience.
+// {productname} {release-version} introduces a new `+onboarding+` option to enhance the developer experience during the 14-day trial period. This option controls the display of a cloud promotion banner highlighting paid features available during the trial. The banner is automatically hidden when the trial ends or when the editor is correctly configured, ensuring a smoother and less intrusive setup experience.
 
-For more information, see xref:promotions.adoc#onboarding[onboarding].
+// For more information, see xref:promotions.adoc#onboarding[onboarding].
 
 
 [[bug-fixes]]

modules/ROOT/partials/misc/premium-upgrade-promotion-option.adoc

@@ -2,6 +2,6 @@
 
 include::partial$configuration/promotion.adoc[leveloffset=+1]
 
-== Cloud promotion
+// == Cloud promotion
 
-include::partial$configuration/onboarding.adoc[leveloffset=+1]
+// include::partial$configuration/onboarding.adoc[leveloffset=+1]