Optimize count_verified_repositories SQL

ee/app/finders/geo/repository_verification_finder.rb

@@ -61,7 +61,7 @@ module Geo
     end
 
     def count_verified_repositories
-      Project.verified_repos.count
+      ProjectRepositoryState.verified_repos.count
     end
 
     def count_verified_wikis

ee/app/models/ee/project.rb

@@ -88,7 +88,6 @@ module EE
 
       scope :with_wiki_enabled,   -> { with_feature_enabled(:wiki) }
 
-      scope :verified_repos, -> { joins(:repository_state).merge(ProjectRepositoryState.verified_repos) }
       scope :verified_wikis, -> { joins(:repository_state).merge(ProjectRepositoryState.verified_wikis) }
       scope :verification_failed_repos, -> { joins(:repository_state).merge(ProjectRepositoryState.verification_failed_repos) }
       scope :verification_failed_wikis, -> { joins(:repository_state).merge(ProjectRepositoryState.verification_failed_wikis) }