chore: don't set redundant min widget num_entities

Author: jeabakker

views/default/widgets/questions/edit.php

@@ -45,7 +45,6 @@
 	'entity' => $widget,
 	'default' => 5,
 	'name' => 'limit',
-	'min' => 1,
 ]);
 
 echo elgg_view_field([