Merge "Removed excess title validity check"

diff --cc includes/job/jobs/RefreshLinksJob.php
index f446f64,717c041..c94db75
--- 1/includes/job/jobs/RefreshLinksJob.php
--- 2/includes/job/jobs/RefreshLinksJob.php
+++ b/includes/job/jobs/RefreshLinksJob.php
@@@ -59,13 -59,8 +59,8 @@@ class RefreshLinksJob extends Job 
        function run() {
                global $wgUpdateRowsPerJob;
  
-               if ( is_null( $this->title ) ) {
-                       $this->setLastError( "Invalid page title" );
-                       return false;
-               }
- 
                // Job to update all (or a range of) backlink pages for a page
 -              if ( isset( $this->params['recursive'] ) ) {
 +              if ( !empty( $this->params['recursive'] ) ) {
                        // Carry over information for de-duplication
                        $extraParams = $this->getRootJobParams();
                        // Avoid slave lag when fetching templates.