DOC-1130 Remove beta tag from postgres_cdc connector (#199)

Author: asimms41

modules/components/pages/inputs/postgres_cdc.adoc

@@ -2,7 +2,6 @@
 :page-aliases: components:inputs/pg_stream.adoc
 // tag::single-source[]
 :type: input
-:page-beta: true
 :categories: ["Services"]
 
 component_type_dropdown::[]