Added method to remove attribute

src/Database/Document.php

@@ -121,6 +121,26 @@ class Document extends ArrayObject
         return $this;
     }
 
+    /**
+     * Remove Attribute.
+     *
+     * Method for removing a specific field attribute
+     *
+     * @param string $key
+     * @param mixed  $value
+     * @param string $type
+     *
+     * @return mixed
+     */
+    public function removeAttribute($key)
+    {
+        if(isset($this[$key])) {
+            unset($this[$key]);
+        }
+
+        return $this;
+    }
+
     /**
      * Search.
      *