Password textfield in everypage, how can I remove?

Every page of that installation create add a javascript and form with “pass” textfield.

What is this? How can I remove or troubleshoot?

Photos:

https://postimg.org/gallery/1pq67fbs8/

drupal 7.27 with apache 2.4 and php 7.0 (same problem with php 5.6.35)

Drupal version: 


Source: https://www.drupal.org/taxonomy/term/22/feed