Update GA4 tests to account for removal of popular in super nav

spec/components/layout_super_navigation_header_spec.rb

@@ -166,13 +166,11 @@ def component_name
     render_component({ ga4_tracking: true })
 
     assert_select "header[data-module='gem-track-click ga4-event-tracker ga4-link-tracker']"
-    assert_select "a[data-ga4-link]", count: 29
+    assert_select "a[data-ga4-link]", count: 23
     assert_select 'a[data-ga4-link=\'{"event_name":"navigation","type":"header menu bar","external":"false","text":"GOV.UK","section":"Logo","index_link":1,"index_section":0,"index_section_count":2,"index_total":1}\']'
     assert_select 'a[data-ga4-link=\'{"event_name":"navigation","type":"header menu bar","index_section":1,"index_link":1,"index_section_count":4,"index_total":16,"section":"Services and information"}\']'
     assert_select 'a[data-ga4-link=\'{"event_name":"navigation","type":"header menu bar","index_section":1,"index_link":16,"index_section_count":4,"index_total":16,"section":"Services and information"}\']'
     assert_select 'a[data-ga4-link=\'{"event_name":"navigation","type":"header menu bar","index_section":2,"index_link":1,"index_section_count":4,"index_total":6,"section":"Government activity"}\']'
     assert_select 'a[data-ga4-link=\'{"event_name":"navigation","type":"header menu bar","index_section":2,"index_link":6,"index_section_count":4,"index_total":6,"section":"Government activity"}\']'
-    assert_select 'a[data-ga4-link=\'{"event_name":"navigation","type":"header menu bar","index_section":4,"index_link":1,"index_section_count":4,"index_total":6,"section":"Popular on GOV.UK"}\']'
-    assert_select 'a[data-ga4-link=\'{"event_name":"navigation","type":"header menu bar","index_section":4,"index_link":5,"index_section_count":4,"index_total":6,"section":"Popular on GOV.UK"}\']'
   end
 end