Issue #1779340 by aspilicious: Cleanup realField comment in pluginBase.

lib/Drupal/views/Plugin/views/PluginBase.php

@@ -48,11 +48,6 @@ public function __construct(array $configuration, $plugin_id, DiscoveryInterface
 
     $this->definition = $this->discovery->getDefinition($plugin_id) + $configuration;
 
-    // @todo Change calls to $this->real_field to use the definition directly.
-    if (isset($this->definition['field'])) {
-      $this->realField = $this->definition['field'];
-    }
-
     $this->construct();
   }