Explain cypher deprecation

Author: soerenreichardt

doc/modules/ROOT/pages/management-ops/graph-reads/read-with-cypher.adoc

@@ -6,7 +6,7 @@
 [WARNING]
 --
 This page describes running cypher queries on an in-memory graph which is deprecated and will be removed.
-There will be no replacement for this feature.
+There will be no replacement due to low adoption of this feature.
 --
 
 include::partial$/operations-reference/alpha-note.adoc[]