Remove now-unused LinkCache::$instance

Follows-up 449084ec4.

Change-Id: Ia43344beba0f1e5f98210d0e4e51e53e138495d1

diff --git a/includes/cache/LinkCache.php b/includes/cache/LinkCache.php
index 1dfefdf..2c11247 100644 (file)
--- a/includes/cache/LinkCache.php
+++ b/includes/cache/LinkCache.php
@@ -50,11 +50,6 @@ class LinkCache {
         */
        const MAX_SIZE = 10000;
 
-       /**
-        * @var LinkCache
-        */
-       protected static $instance;
-
        public function __construct( TitleFormatter $titleFormatter ) {
                $this->mGoodLinks = new HashBagOStuff( [ 'maxKeys' => self::MAX_SIZE ] );
                $this->mBadLinks = new HashBagOStuff( [ 'maxKeys' => self::MAX_SIZE ] );