Change scroll tracking configuration

Remove foreign travel advice tracking.
Add Register to vote & apply UK visa tracking.

app/assets/javascripts/analytics/scroll-tracker.js

@@ -15,53 +15,20 @@
       ['Percent', 50],
       ['Percent', 75]
     ],
-    '/foreign-travel-advice/egypt': [
-      ['Heading', 'Summary'],
-      ['Heading', 'Terrorism'],
-      ['Heading', 'Sharm el Sheikh'],
-      ['Heading', 'Hurghada'],
-      ['Heading', 'Protests and demonstrations'],
-      ['Heading', 'Overseas Business Risk']
-    ],
-    '/foreign-travel-advice/kenya': [
-      ['Percent', 25],
-      ['Percent', 50],
-      ['Percent', 75]
-    ],
-    '/foreign-travel-advice/spain': [
-      ['Percent', 25],
-      ['Percent', 50],
-      ['Percent', 75]
+    '/jobsearch': [
+      ['Heading', 'Registration'],
+      ['Heading', 'Help']
     ],
-    '/foreign-travel-advice/syria': [
+    '/register-to-vote': [
       ['Percent', 25],
       ['Percent', 50],
       ['Percent', 75]
     ],
-    '/foreign-travel-advice/thailand': [
+    '/apply-uk-visa': [
       ['Percent', 25],
       ['Percent', 50],
       ['Percent', 75]
     ],
-    '/foreign-travel-advice/turkey': [
-      ['Heading', 'Summary'],
-      ['Heading', 'Demonstrations'],
-      ['Heading', 'Terrorism'],
-      ['Heading', 'Visas'],
-      ['Heading', 'Earthquakes'],
-      ['Heading', 'Overseas Business Risk'],
-      ['Heading', 'Travel insurance']
-    ],
-    '/jobsearch': [
-      ['Heading', 'Registration'],
-      ['Heading', 'Help']
-    ],
-    '/renew-adult-passport': [
-      ['Heading', 'Damaged and expired passports'],
-      ['Heading', 'Lost or stolen passports'],
-      ['Heading', 'Apply for a passport'],
-      ['Heading', 'Tracking your passport application']
-    ],
     '/student-finance-register-login': [
       ['Heading', 'Log in problems'],
       ['Heading', 'Manage your student finance']