Merge pull request #158 from PhoenixPeca/patch-2

Missed Translation

data/web/lang/lang.en.php

@@ -387,7 +387,7 @@ $lang['tfa']['api_register'] = 'mailcow uses the Yubico Cloud API. Please get an
 $lang['tfa']['u2f'] = "U2F authentication";
 $lang['tfa']['hotp'] = "HOTP authentication";
 $lang['tfa']['totp'] = "TOTP authentication";
-$lang['tfa']['none'] = "Deaktiviert";
+$lang['tfa']['none'] = "Deactivate";
 $lang['tfa']['delete_tfa'] = "Disable TFA";
 $lang['tfa']['disable_tfa'] = "Disable TFA until next successful login";
 $lang['tfa']['confirm_tfa'] = "Please confirm your one-time password in the below field";