Possible solutions of your questions

Hello. no redirection we do and accordingly can not be removed.

the domain itself ajleksey.testr1.erahost.ru this domain is destined for test. it is in menu - parkowanie domains control panel, you can delete it from there .just make sure that your site is not configured on reboot with this domain

perenapravlenie is only on your website. hosting no diversion no. return domain, but in the admin area of the site and reconfigure it to the new domain .

no, not redirects. just a set of folders. clear the cache of the browser