Issue #2306545 by a_thakur: Remove views_plugin_list().

core/modules/views/views.module

@@ -696,25 +696,6 @@ function views_get_plugin_definitions() {
   return Views::getPluginDefinitions();
 }
 
-/**
- * Returns a list of plugins and metadata about them.
- *
- * @return array
- *   An array keyed by PLUGIN_TYPE:PLUGIN_NAME, like 'display:page' or
- *   'pager:full', containing an array with the following keys:
- *   - title: The plugin's title.
- *   - type: The plugin type.
- *   - module: The module providing the plugin.
- *   - views: An array of enabled Views that are currently using this plugin,
- *     keyed by machine name.
- *
- * @deprecated in Drupal 8.x-dev, will be removed before Drupal 8.0.
- *   Use \Drupal\views\Views::pluginList().
- */
-function views_plugin_list() {
-  return Views::pluginList();
-}
-
 /**
  * Get enabled display extenders.
  *