Modernize ILS driver plugin manager service.

- Eliminate static factory.
- Use fully qualified class name as service name.

module/VuFind/config/module.config.php

@@ -310,7 +310,7 @@ $config = [
             'VuFind\Hierarchy\TreeRenderer\PluginManager' => 'VuFind\ServiceManager\AbstractPluginManagerFactory',
             'VuFind\ILSAuthenticator' => 'VuFind\Auth\Factory::getILSAuthenticator',
             'VuFind\ILSConnection' => 'VuFind\Service\Factory::getILSConnection',
-            'VuFind\ILSDriverPluginManager' => 'VuFind\Service\Factory::getILSDriverPluginManager',
+            'VuFind\ILS\Driver\PluginManager' => 'VuFind\ServiceManager\AbstractPluginManagerFactory',
             'VuFind\ILSHoldLogic' => 'VuFind\Service\Factory::getILSHoldLogic',
             'VuFind\ILSHoldSettings' => 'VuFind\Service\Factory::getILSHoldSettings',
             'VuFind\ILSTitleHoldLogic' => 'VuFind\Service\Factory::getILSTitleHoldLogic',
@@ -385,6 +385,7 @@ $config = [
             'VuFind\HierarchyTreeRendererPluginManager' => 'VuFind\Hierarchy\TreeRenderer\PluginManager',
             'VuFind\HMAC' => 'VuFind\Crypt\HMAC',
             'VuFind\Http' => 'VuFindHttp\HttpService',
+            'VuFind\ILSDriverPluginManager' => 'VuFind\ILS\Driver\PluginManager',
             'VuFind\IpAddressUtils' => 'VuFind\Net\IpAddressUtils',
         ],
     ],

module/VuFind/src/VuFind/ILS/Driver/MultiBackendFactory.php

@@ -64,7 +64,7 @@ class MultiBackendFactory implements FactoryInterface
         return new $requestedName(
             $container->get('VuFind\Config\PluginManager'),
             $container->get('VuFind\ILSAuthenticator'),
-            $container->get('VuFind\ILSDriverPluginManager')
+            $container->get('VuFind\ILS\Driver\PluginManager')
         );
     }
 }

module/VuFind/src/VuFind/Service/Factory.php

@@ -122,24 +122,12 @@ class Factory
     {
         $catalog = new \VuFind\ILS\Connection(
             $sm->get('VuFind\Config\PluginManager')->get('config')->Catalog,
-            $sm->get('VuFind\ILSDriverPluginManager'),
+            $sm->get('VuFind\ILS\Driver\PluginManager'),
             $sm->get('VuFind\Config\PluginManager')
         );
         return $catalog->setHoldConfig($sm->get('VuFind\ILSHoldSettings'));
     }
 
-    /**
-     * Construct the ILS\Driver Plugin Manager.
-     *
-     * @param ServiceManager $sm Service manager.
-     *
-     * @return \VuFind\ILS\Driver\PluginManager
-     */
-    public static function getILSDriverPluginManager(ServiceManager $sm)
-    {
-        return static::getGenericPluginManager($sm, 'ILS\Driver');
-    }
-
     /**
      * Construct the ILS hold logic.
      *