Hides XMPP information in user account pages

[tagawa]

Description :

Hides XMPP information in user account pages. Tested in Firefox, Vivaldi and Safari.

Reviewer notes :

References issues / PRs:

#

Who should be informed of this change?

@jbarrett @MariagraziaAlastra

Does this change have significant privacy, security, performance or deployment implications?

Nope

Checklist :

• [N/A] Back end tests (perl, scripts)
• [ ] Front end tests (js, integration)
• Browser verification
  • [ ] IE
  • [ ] Chrome
  • [ ] Firefox
  • [ ] Safari
  • [ ] Opera
• Mobile verification
  • [ ] iOS
  • [ ] Android