minor #11547 [Workflow] Remove duplicate code in example (welcoMattic)

This PR was merged into the 4.2 branch.

Discussion
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[Workflow] Remove duplicate code in example

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Commits
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a647732 Remove duplicate code in example

Author: OskarStark

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