Remove custom_theme dependency

composer.json

@@ -25,7 +25,6 @@
     "drupal/config_entity_revisions": "1.7.0",
     "drupal/events_logging": "1.4.0",
     "drupal/embed": "1.4.0",
-    "drupal/gin": "^3.0",
     "drupal/header_and_footer_scripts": "2.2.0",
     "drupal/image_widget_crop": "2.3.0",
     "drupal/ldap": "^3.0@beta",

os2forms_forloeb.module

@@ -5,30 +5,6 @@
  * Install, update and uninstall functions for the os2forms_forloeb_profile installation profile.
  */
 
-/**
- * Implements hook_install().
- */
-function os2forms_forloeb_install() {
-  $theme_list = [
-    'claro',
-    'gin',
-    'bootstrap',
-    'custom_theme'
-  ];
-
-  // Install themes
-  \Drupal::service('theme_installer')->install($theme_list);
-
-  // Get theme manager
-  $system_theme = \Drupal::configFactory()->getEditable('system.theme');
-
-  // Set default and admin themes
-  $system_theme
-    ->set('default', 'custom_theme')
-    ->set('admin', 'gin')
-    ->save();
-}
-
 use Drupal\maestro\Engine\MaestroEngine;
 
 /**
@@ -157,4 +133,3 @@ function os2forms_forloeb_webform_create(\Drupal\webform\WebformInterface $webfo
   // Set purge of submissions more than 30 days old.
   $webform->setSetting('purge_days', '30');
 }
-