Remove additional border from the create project page

app/views/import/gitlab_projects/new.html.haml

@@ -20,7 +20,7 @@
 
           - else
             .input-group-prepend.static-namespace.has-tooltip{ title: user_url(current_user.username) + '/' }
-              .input-group-text
+              .input-group-text.border-0
                 #{user_url(current_user.username)}/
             = hidden_field_tag :namespace_id, value: current_user.namespace_id
     .form-group.col-12.col-sm-6.project-path

app/views/projects/_new_project_fields.html.haml

@@ -16,7 +16,7 @@
 
       - else
         .input-group-prepend.static-namespace.has-tooltip{ title: user_url(current_user.username) + '/' }
-          .input-group-text
+          .input-group-text.border-0
             #{user_url(current_user.username)}/
         = f.hidden_field :namespace_id, value: current_user.namespace_id
   .form-group.project-path.col-sm-6