Remove duplicate code in example

Author: welcoMattic

workflow.rst

@@ -613,11 +613,6 @@ Then you can access this metadata in your controller as follows::
             ->getWorkflowMetadata()['title'] ?? false
         ;
 
-        // or
-        $title = $workflow->getMetadataStore()
-            ->getWorkflowMetadata()['title'] ?? false
-        ;
-
         // or
         $aTransition = $workflow->getDefinition()->getTransitions()[0];
         $transitionTitle = $workflow