Issue #2156945 by amateescu: Clean up installer entity defaults following bugfix.

core/modules/forum/forum.install

@@ -39,7 +39,6 @@ function forum_install() {
     // Create a default forum so forum posts can be created.
     $term = entity_create('taxonomy_term', array(
       'name' => t('General discussion'),
-      'langcode' => language_default()->id,
       'description' => '',
       'parent' => array(0),
       'vid' => 'forums',

core/profiles/standard/standard.install

@@ -64,7 +64,6 @@ function standard_install() {
     'title' => t('Add content'),
     'weight' => -20,
     'path' => 'node/add',
-    'langcode' => language_default()->id,
   ));
   $shortcut->save();
 
@@ -73,7 +72,6 @@ function standard_install() {
     'title' => t('All content'),
     'weight' => -19,
     'path' => 'admin/content',
-    'langcode' => language_default()->id,
   ));
   $shortcut->save();