[release-1.10] RHDHBUGS-3306: Removed Developer Preview snippet for Adoption Insights (#2328)

* Removed Developer Preview snippet for Adoption Insights

* hardcoding DP

* Apply suggestion from @themr0c

---------

Co-authored-by: Priyanka Abel <pabel@redhat.com>
Co-authored-by: Fabrice Flore-Thébault <ffloreth@redhat.com>

Author: 3 people

modules/observability_adoption-insights-in-rhdh/proc-enable-the-adoption-insights-plugin.adoc

@@ -4,9 +4,8 @@
 
 [role="_abstract"]
 Adoption Insights is enabled by default on {product-short} instances.
-If you are migrating from a {developer-preview} or you have installed Adoption Insights manually before, update your configuration.
-
-include::{docdir}/artifacts/snip-developer-preview.adoc[]
+// cqa-17: suppress
+If you are migrating from a Developer Preview or you have installed Adoption Insights manually before, update your configuration.
 
 .Procedure