Revert "Add scroll tracking to foreign travel advice pages"

Author: andysellick

app/views/content_items/travel_advice.html.erb

@@ -9,8 +9,6 @@
     title: @content_item.page_title,
     body: @content_item.current_part_body
     ) %>
-
-  <meta name="govuk:scroll-tracker" content="" data-module="auto-scroll-tracker" data-track-type="headings"/>
 <% end %>
 
 <div class="govuk-grid-row">