Remove tooltips from project header

app/assets/javascripts/star.js

@@ -11,11 +11,9 @@
           $this.parent().find('.star-count').text(data.star_count);
           if (isStarred) {
             $starSpan.removeClass('starred').text('Star');
-            gl.utils.updateTooltipTitle($this, 'Star project');
             $starIcon.removeClass('fa-star').addClass('fa-star-o');
           } else {
             $starSpan.addClass('starred').text('Unstar');
-            gl.utils.updateTooltipTitle($this, 'Unstar project');
             $starIcon.removeClass('fa-star-o').addClass('fa-star');
           }
         };

app/views/projects/buttons/_fork.html.haml

@@ -5,10 +5,10 @@
         = custom_icon('icon_fork')
         %span Fork
     - else
-      = link_to new_namespace_project_fork_path(@project.namespace, @project), title: 'Fork project', class: 'btn has-tooltip' do
+      = link_to new_namespace_project_fork_path(@project.namespace, @project), title: 'Fork project', class: 'btn' do
         = custom_icon('icon_fork')
         %span Fork
     %div.count-with-arrow
       %span.arrow
-      = link_to namespace_project_forks_path(@project.namespace, @project), title: 'Forks', class: 'count has-tooltip' do
+      = link_to namespace_project_forks_path(@project.namespace, @project), title: 'Forks', class: 'count' do
         = @project.forks_count

app/views/projects/buttons/_star.html.haml

 - if current_user
-  = link_to toggle_star_namespace_project_path(@project.namespace, @project), { class: 'btn star-btn toggle-star has-tooltip', method: :post, remote: true, title: current_user.starred?(@project) ? 'Unstar project' : 'Star project' } do
+  = link_to toggle_star_namespace_project_path(@project.namespace, @project), { class: 'btn star-btn toggle-star', method: :post, remote: true } do
     - if current_user.starred?(@project)
       = icon('star')
       %span.starred Unstar