better way of getting bundle label

src/Controller/CalendarController.php

@@ -36,15 +36,9 @@ class CalendarController extends ControllerBase {
 
   public function calendarTitle($ebundle) {
     $bundle = ebundle_split($ebundle, 'bundle');
-    $titlePrefix = $bundle;
-    $entityTypeManager = \Drupal::service('entity_type.manager');   
-    $contentTypes = $entityTypeManager->getStorage('node_type')->loadMultiple();
-    foreach ($contentTypes as $contentType) {
-      if($contentType->id() == $bundle) {
-        $titlePrefix = $contentType->label();
-        break;
-      }
-    }
+    $type = ebundle_split($ebundle, 'type');
+    $bundles = \Drupal::service('entity_type.bundle.info')->getBundleInfo($type);
+    $titlePrefix = isset($bundles[$bundle]) ? $bundles[$bundle]['label'] : $bundle;
     return t('@bundle Calendar', array('@bundle' => ucwords($titlePrefix)));
   }