Remove .row and .col-sm-12

app/views/projects/commit/_change.html.haml

@@ -22,8 +22,7 @@
         - if description
           %p= description
         = form_tag [type.underscore, @project.namespace.becomes(Namespace), @project, commit], method: :post, remote: false, class: "js-#{type}-form js-requires-input" do
-          .form-group.row.branch
-            .col-sm-12
+          .form-group.branch
             = label_tag 'start_branch', branch_label, class: 'label-light'
 
             = hidden_field_tag :start_branch, @project.default_branch, id: 'start_branch'