handle empty criteo value
remove NewNavigationHighlightingSwitch
only show subscribe to UK
remove     GuardianServicesLinksSwitch
Merge pull request #5375 from guardian/delete-switch

Delete switches
Merge pull request #5376 from guardian/move-subscribe-to-uk-only

only show subscribe to UK
Merge pull request #5295 from guardian/handle-emtpy-criteo

Handle empty criteo value
Merge remote-tracking branch 'origin/master' into google-video-search-thumbnails