Merge "Unbreak the DB updater by removing transaction from doUpdates()"

diff --combined includes/installer/DatabaseUpdater.php
index 0d8137c,e57e170..86b2f3b
--- 1/includes/installer/DatabaseUpdater.php
--- 2/includes/installer/DatabaseUpdater.php
+++ b/includes/installer/DatabaseUpdater.php
@@@ -75,7 -75,6 +75,7 @@@ abstract class DatabaseUpdater 
                PopulateFilearchiveSha1::class,
                PopulateBacklinkNamespace::class,
                FixDefaultJsonContentPages::class,
 +              CleanupEmptyCategories::class,
        ];
  
        /**
@@@ -410,7 -409,6 +410,6 @@@
        public function doUpdates( $what = [ 'core', 'extensions', 'stats' ] ) {
                global $wgVersion;
  
-               $this->db->begin( __METHOD__ );
                $what = array_flip( $what );
                $this->skipSchema = isset( $what['noschema'] ) || $this->fileHandle !== null;
                if ( isset( $what['core'] ) ) {
@@@ -432,8 -430,6 +431,6 @@@
                        $this->writeSchemaUpdateFile();
                        $this->setAppliedUpdates( "$wgVersion-schema", $this->updatesSkipped );
                }
- 
-               $this->db->commit( __METHOD__ );
        }
  
        /**