Remove gettext_lazy of log message in nexus/profile impl

Marking log messages as translatable brings useless pain to tranlators
and all other log messages in Horizon are not marked as translatable.

Feedback from translators community

Change-Id: I13b20eacc5fda28011578e38290c9aea9a7ab600
Closes-Bug: #1230097
Merge "Remove gettext_lazy of log message in nexus/profile impl"