Hide title field for primary progress bars

These bars don't have a title.

spec/shared/features/progressable.rb

@@ -34,6 +34,8 @@ shared_examples "progressable" do |factory_name, path_name|
 
         select "Primary", from: "Type"
 
+        expect(page).not_to have_field "Title"
+
         fill_in "Current progress", with: 43
         click_button "Create Progress bar"
 
@@ -65,6 +67,9 @@ shared_examples "progressable" do |factory_name, path_name|
         visit path
         within("#progress_bar_#{bar.id}") { click_link "Edit" }
 
+        expect(page).to have_field "Current progress"
+        expect(page).not_to have_field "Title"
+
         fill_in "Current progress", with: 44
         click_button "Update Progress bar"