noosfero | Remove useless icon from chat's `user-status` (!1085)

[Aurélio A. Heckert]

New Merge Request !1085

https://gitlab.com/noosfero/noosfero/merge_requests/1085

Project:Branches: aurium/noosfero:chat to noosfero/noosfero:master
Author:    Aurélio A. Heckert
Assignee:  

Remove useless use of space and potential layout problem of `ui-icon-triangle-1-s`.
No feature depend on this element.

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