Issue #3047757 by radmosley, ex DJ, ehazell, wolffereast, Adrian_S_M,...

Issue #3047757 by radmosley, ex DJ, ehazell, wolffereast, Adrian_S_M, Luke.Leber: Duplicate a in ViewsHandlerInterface docblock

core/modules/views/src/Plugin/views/ViewsHandlerInterface.php

@@ -31,7 +31,7 @@ public function getEntityType();
 
   /**
    * Determines if the handler is considered 'broken', meaning it's a
-   * a placeholder used when a handler can't be found.
+   * placeholder used when a handler can't be found.
    */
   public function broken();