Upgrade to 3.1.0

kirby/src/Cms/StructureObject.php

@@ -91,18 +91,6 @@ class StructureObject extends Model
         return $this->content = new Content($this->content, $this->parent());
     }
 
-    /**
-     * Returns a formatted date field from the content
-     *
-     * @param string $format
-     * @param string $field
-     * @return Field
-     */
-    public function date(string $format = null, $field = 'date')
-    {
-        return $this->content()->get($field)->toDate($format);
-    }
-
     /**
      * Returns the required id
      *