Remove blind_voting overreach

The 'Blind Voting' feature is described as:
> you do not want to show voting results and voters prior to user
> submitting a vote.

It does not imply or suggest that speaker or submitter names should be
hidden (especially from admins).

Resolves https://github.com/openSUSE/osem/issues/1984

app/views/admin/events/_proposal.html.haml

@@ -122,26 +122,20 @@
         %td
           %b Submitter
         %td
-          - if @program.show_voting?
           = link_to @event.submitter.name, admin_user_path(@event.submitter)
           (
           = link_to @event.submitter.email, "mailto: #{@event.submitter.email}"
           )
-          - else
-            %i Hidden
       %tr
         %td
           %b Speakers
         %td
-          - if @program.show_voting?
           - @event.speakers.each do |speaker|
             %div
               = link_to speaker.name, admin_user_path(speaker)
               (
               = link_to speaker.email, "mailto: #{speaker.email}"
               )
-          - else
-            %i Hidden
       %tr
         %td
           %b Biographies

app/views/admin/events/index.html.haml

@@ -117,22 +117,16 @@
             - else
               - bgcolor = ''
             %td{ style: "background-color: #{bgcolor}" }
-              - if @program.show_voting?
               - unless event.submitter.nil?
                 = link_to event.submitter.name, admin_user_path(event.submitter)
                 - if event.submitter.registrations.count < 1
                   (Unregistered!)
               - else
                 Unknown submitter
-              - else
-                %i Hidden
             %td
-              - if @program.show_voting?
               - event.speakers_ordered.each do |speaker|
                 .speaker
                   = link_to speaker.name, admin_user_path(speaker)
-              - else
-                %i Hidden
 
             - if @program.languages.present?
               %td