Remove unused GeoRepositoryDestroy#async_execute method

ee/app/services/geo/repository_destroy_service.rb

@@ -9,10 +9,6 @@ def initialize(id, name, disk_path, repository_storage)
       @repository_storage = repository_storage
     end
 
-    def async_execute
-      GeoRepositoryDestroyWorker.perform_async(id, name, disk_path, repository_storage)
-    end
-
     def execute
       ::Projects::DestroyService.new(deleted_project, nil).geo_replicate
     end

spec/ee/spec/services/geo/repository_destroy_service_spec.rb

@@ -12,14 +12,6 @@
     stub_current_geo_node(secondary)
   end
 
-  describe '#async_execute' do
-    it 'starts the worker' do
-      expect(GeoRepositoryDestroyWorker).to receive(:perform_async)
-
-      subject.async_execute
-    end
-  end
-
   describe '#execute' do
     it 'delegates project removal to Projects::DestroyService' do
       expect_any_instance_of(EE::Projects::DestroyService).to receive(:geo_replicate)