Remove gitaly_migrate blocks and replace by early return

lib/backup/repository.rb

@@ -67,13 +67,12 @@ module Backup
     end
 
     def prepare_directories
+      # TODO: Need to find a way to do this for gitaly
+      # Gitaly discussion issue: https://gitlab.com/gitlab-org/gitaly/issues/1194
+
       return if Gitlab::GitalyClient.feature_enabled?(:backup_skip_prepare_directories)
 
       Gitlab.config.repositories.storages.each do |name, repository_storage|
-        gitaly_migrate(:remove_repositories) do |is_enabled|
-          # TODO: Need to find a way to do this for gitaly
-          # Gitaly discussion issue: https://gitlab.com/gitlab-org/gitaly/issues/1194
-          unless is_enabled
         path = repository_storage.legacy_disk_path
         next unless File.exist?(path)
 
@@ -92,14 +91,10 @@ module Backup
         end
       end
     end
-      end
-    end
 
     def restore_custom_hooks
-      gitaly_migrate(:restore_custom_hooks) do |is_enabled|
       # TODO: Need to find a way to do this for gitaly
       # Gitaly migration issue: https://gitlab.com/gitlab-org/gitaly/issues/1195
-        unless is_enabled
       in_path(path_to_tars(project)) do |dir|
         path_to_project_repo = path_to_repo(project)
         cmd = %W(tar -xf #{path_to_tars(project, dir)} -C #{path_to_project_repo} #{dir})
@@ -110,8 +105,6 @@ module Backup
         end
       end
     end
-      end
-    end
 
     def restore
       prepare_directories