Simplify release-note links to back branches.

Now that https://www.postgresql.org/docs/release/ is populated,
replace the stopgap text we had under "Prior Releases" with
a pointer to that archive.

Discussion: https://postgr.es/m/e0f09c9a-bd2b-862a-d379-601dfabc8969@postgresql.org

diff --git a/doc/src/sgml/release.sgml b/doc/src/sgml/release.sgml
index 0a9a11f2ca00a7d89d57655411ff638b59816790..80f04967f108e32d447d81e9f24f70bc7ce8b6c0 100644 (file)
--- a/doc/src/sgml/release.sgml
+++ b/doc/src/sgml/release.sgml
@@ -85,64 +85,8 @@ For new features, add links to the documentation sections.
   Prior Releases
 
   
-   Release notes for prior release branches can be found on the
-   PostgreSQL
-   web site.  At the time of release of version 10,
-   these were the supported prior release branches:
-
-   
-    
-     
-      PostgreSQL 9.6:
-      
-       https://www.postgresql.org/docs/9.6/release.html
-      
-     
-    
-
-    
-     
-      PostgreSQL 9.5:
-      
-       https://www.postgresql.org/docs/9.5/release.html
-      
-     
-    
-
-    
-     
-      PostgreSQL 9.4:
-      
-       https://www.postgresql.org/docs/9.4/release.html
-      
-     
-    
-
-    
-     
-      PostgreSQL 9.3:
-      
-       https://www.postgresql.org/docs/9.3/release.html
-      
-     
-    
-
-    
-     
-      PostgreSQL 9.2:
-      
-       https://www.postgresql.org/docs/9.2/release.html
-      
-     
-    
-   
-  
-
-  
-   Release notes for older release branches can be found at
-   
-    https://www.postgresql.org/docs/manuals/archive/
-   
+   Release notes for prior release branches can be found at
+   https://www.postgresql.org/docs/release/