Move "Save" in separate row for Profile and Preference settings pages

app/assets/javascripts/profile/preferences/components/profile_preferences.vue

@@ -127,9 +127,8 @@ export default {
         :config="$options.integrationViewConfigs[view.name]"
       />
     </div>
-    <div class="col-lg-4 profile-settings-sidebar"></div>
-    <div class="col-lg-8">
-      <div class="form-group">
+    <div class="col-sm-12">
+      <hr />
       <gl-button
         category="primary"
         variant="confirm"
@@ -142,5 +141,4 @@ export default {
       </gl-button>
     </div>
   </div>
-  </div>
 </template>

app/views/profiles/show.html.haml

@@ -122,8 +122,7 @@
       = f.check_box :include_private_contributions, label: s_('Profiles|Include private contributions on my profile'), wrapper_class: 'mb-2', inline: true
       .help-block
         = s_("Profiles|Choose to show contributions of private projects on your public profile without any project, repository or organization information")
-  .row.gl-justify-content-end.gl-mt-5
-    .col-lg-8.gl-display-flex
+  %hr
   = f.submit s_("Profiles|Update profile settings"), class: 'gl-button btn btn-confirm gl-mr-3'
   = link_to _("Cancel"), user_path(current_user), class: 'gl-button btn btn-default btn-cancel'