get rid of one closeCursor, a=chris

diff --git a/src/library/media_jobs/RecommendationJob.php b/src/library/media_jobs/RecommendationJob.php
index 6ccf7d067..d45e67cc6 100644
--- a/src/library/media_jobs/RecommendationJob.php
+++ b/src/library/media_jobs/RecommendationJob.php
@@ -1325,11 +1325,8 @@ class RecommendationJob extends MediaJob
                 "(?, ?, ?) $on_conflict SET VECTOR = ?";
             $vector = base64_encode($evicted_item[1]);
             $db->pre_message = "$message {$evicted_item[0]} was evicted";
-            $result = $db->execute($sql, [$evicted_item[0], $item_type,
+            $db->execute($sql, [$evicted_item[0], $item_type,
                 $vector, $vector]);
-            if ($result) {
-                $db->closeCursor($result);
-            }
         }
     }
     /**