Remove "required" from header

Author: fullstackfreelancer

Configuration/TCA/tx_cetimeline_domain_model_entry.php

@@ -126,7 +126,7 @@
             'config' => [
                 'type' => 'input',
                 'size' => 30,
-                'eval' => 'trim,required'
+                'eval' => 'trim'
             ],
         ],
         'enable_lightbox' => [