Remove unused methods

ee/app/finders/geo/project_registry_status_finder.rb

@@ -6,7 +6,7 @@ module Geo
   # This finders works slightly different than the ones used to trigger
   # synchronization, as we are concerned in filtering for displaying rather then
   # filtering for processing.
-  class ProjectRegistryStatusFinder < RegistryFinder
+  class ProjectRegistryStatusFinder
     # Returns all project registry
     #
     def all_projects
@@ -70,16 +70,6 @@ module Geo
     end
     # rubocop: enable CodeReuse/ActiveRecord
 
-    # Return any project registry that has never been fully synced
-    #
-    # We don't include projects without a corresponding ProjectRegistry
-    # for performance reasons.
-    # rubocop: disable CodeReuse/ActiveRecord
-    def never_synced_projects
-      Geo::ProjectRegistry.where(last_repository_successful_sync_at: nil).with_routes
-    end
-    # rubocop: enable CodeReuse/ActiveRecord
-
     private
 
     def project_registry

ee/spec/finders/geo/project_registry_status_finder_spec.rb

@@ -65,15 +65,4 @@ RSpec.describe Geo::ProjectRegistryStatusFinder, :geo, :geo_tracking_db do
       )
     end
   end
-
-  describe '#never_synced_projects' do
-    it 'returns only never fully synced registries' do
-      result = subject.never_synced_projects
-
-      expect(result).to contain_exactly(
-        never_synced_registry,
-        never_synced_registry_with_failure
-      )
-    end
-  end
 end