Merge "rdbms: remove unused SavepointPostgres class"

diff --combined RELEASE-NOTES-1.34
index 9231380,0204a8b..f5edaa0
--- 1/RELEASE-NOTES-1.34
--- 2/RELEASE-NOTES-1.34
+++ b/RELEASE-NOTES-1.34
@@@ -55,10 -55,7 +55,10 @@@ For notes on 1.33.x and older releases
  * …
  
  === Bug fixes in 1.34 ===
 -* …
 +* (T222529) If a log entry or page revision is recorded in the database with an
 +  empty username, attempting to display it will log an error and return a "no
 +  username available" to the user instead of silently displaying nothing or
 +  invalid links.
  
  === Action API changes in 1.34 ===
  * The 'recenteditcount' response property from action=query list=allusers,
@@@ -112,13 -109,11 +112,14 @@@ because of Phabricator reports
  * wfArrayFilter() and wfArrayFilterByKey(), deprecated in 1.32, have been
    removed.
  * wfMakeUrlIndexes() function, deprecated in 1.33, have been removed.
 +* Method signatures in WatchedItemQueryServiceExtension have changed from taking
 +  User objects to taking UserIdentity objects. Extensions implementing this
 +  interface need to be changed accordingly.
  * User::getGroupPage() and ::makeGroupLinkHTML(), deprecated in 1.29, have been
    removed. Use UserGroupMembership::getGroupPage and ::getLink instead.
  * User::makeGroupLinkWiki(), deprecated in 1.29, has been removed. Use
    UserGroupMembership::getLink() instead.
+ * SavepointPostgres, deprecated in 1.31, has been removed.
  * …
  
  === Deprecations in 1.34 ===