Database::__construct(): Don't set $mTrxAtomicLevels to an SplStack

Follows-up db0b9ef2649c and 01ef30fcc495.

Change-Id: I06188c746fb885819aa93e0e3caf3dc2bac7ae72

diff --git a/includes/db/Database.php b/includes/db/Database.php
index 2f135a4..57c28bb 100644 (file)
--- a/includes/db/Database.php
+++ b/includes/db/Database.php
@@ -607,7 +607,6 @@ abstract class DatabaseBase implements IDatabase {
        function __construct( array $params ) {
                global $wgDBprefix, $wgDBmwschema, $wgCommandLineMode;
 
-               $this->mTrxAtomicLevels = new SplStack;
                $this->srvCache = ObjectCache::newAccelerator( 'hash' );
 
                $server = $params['host'];