Add extra nav for settings & clean header buttons

app/views/contests/settings_general_edit.html.slim

@@ -1,3 +1,5 @@
+= render "params_nav"
+
 = form_with model: @contest, url: "/contests/#{@contest.id}/settings/general" do |form|
   .row.mt-2.mb-3
     .col
@@ -15,22 +17,12 @@
       .form-floating
         = form.select :lang, Languages::AVAILABLE_LANGUAGES.map { |lang| [ lang[:name], lang[:id] ] }, {}, class: "form-select"
         = form.label :lang
-  .row.mb-3
-    .col
-      .form-floating
-        = form.select :ranking_mode, Ranking::AVAILABLE_RANKING_MODES.map { |mode| [ mode[:name], mode[:id] ] }, {}, class: "form-select"
-        = form.label :ranking_mode
   .row.mt-2.mb-3
     .col
       .form-floating
         = form.text_field :code, autocomplete: "off", class: "form-control"
         = form.label :code, class: "required"
         .form-text = t("activerecord.attributes.contest.code_description")
-  .row.mt-4.mb-3
-    .col
-      .form-check.form-switch
-        = form.check_box :public, class: "form-check-input"
-        = form.label :public
   .row.mb-3 style="display: none"
     .col
       .form-check.form-switch