Fix build. Too eager with the fixing of unused variables.

== Compilation error in file lib/pleroma/web/activity_pub/views/user_view.ex ==
** (CompileError) lib/pleroma/web/activity_pub/views/user_view.ex:54: undefined function _total/0
    (stdlib) lists.erl:1338: :lists.foreach/2
    (stdlib) erl_eval.erl:670: :erl_eval.do_apply/6