[DO NOT MERGE] Remove travel advice rendering code

README.md

@@ -27,7 +27,6 @@ Government Frontend is a public-facing app to display the majority of documents
 | Speech | [View on GOV.UK](https://www.gov.uk/government/speeches/government-at-your-service-ben-gummer-speech) |
 | Take part | [View on GOV.UK](https://www.gov.uk/government/get-involved/take-part/become-a-councillor) |
 | Topical event about page | [View on GOV.UK](https://www.gov.uk/government/topical-events/2014-overseas-territories-joint-ministerial-council/about) |
-| Travel advice | [View on GOV.UK](https://www.gov.uk/foreign-travel-advice/nepal) |
 | Working group | [View on GOV.UK](https://www.gov.uk/government/groups/abstraction-reform) |
 | Worldwide corporate information page | [View on GOV.UK](https://www.gov.uk/world/organisations/british-embassy-madrid/about/complaints-procedure) |
 | Worldwide office | [View on GOV.UK](https://www.gov.uk/world/organisations/british-embassy-paris/office/british-embassy) |

app/controllers/content_items_controller.rb

@@ -31,7 +31,6 @@ def show
     elsif is_history_page?
       show_history_page
     else
-      set_access_control_allow_origin_header if request.format.atom?
       set_guide_draft_access_token if @content_item.is_a?(GuidePresenter)
       render_template
     end
@@ -191,18 +190,13 @@ def render_template
 
     respond_to do |format|
       format.html
-      format.atom
     end
 
     with_locale do
       render content_item_template
     end
   end
 
-  def set_access_control_allow_origin_header
-    response.headers["Access-Control-Allow-Origin"] = "*"
-  end
-
   def set_expiry
     expires_in(
       @content_item.cache_control_max_age(request.format),

app/controllers/development_controller.rb

@@ -24,7 +24,6 @@ def index
                        statistics_announcement
                        take_part
                        topical_event_about_page
-                       travel_advice
                        working_group]
 
     @paths = YAML.load_file(Rails.root.join("config/govuk_examples.yml"))

app/views/components/docs/figure.yml

@@ -6,7 +6,6 @@ body: |
   Examples:
 
   - [Case Study containing an image](/government/case-studies/2013-elections-in-swaziland)
-  - [Travel Advice containing a map (image)](/foreign-travel-advice/nepal)
 accessibility_criteria: |
   The figure must: