Move verify_async to VerifiableReplicator concern

ee/app/models/concerns/geo/blob_replicator_strategy.rb

@@ -65,9 +65,5 @@ module Geo
     def deleted_params
       { model_record_id: model_record.id, blob_path: blob_path }
     end
-
-    def verify_async
-      Geo::VerificationWorker.perform_async(replicable_name, model_record.id)
-    end
   end
 end

ee/app/models/concerns/geo/verifiable_replicator.rb

@@ -50,6 +50,10 @@ module Geo
       verify_async if needs_checksum?
     end
 
+    def verify_async
+      Geo::VerificationWorker.perform_async(replicable_name, model_record.id)
+    end
+
     def verify
       checksum = model_record.calculate_checksum
       update_verification_state!(checksum: checksum)
@@ -106,9 +110,5 @@ module Geo
       retry_count = model_record.verification_retry_count.to_i + 1
       [next_retry_time(retry_count), retry_count]
     end
-
-    def verify_async
-      raise NotImplementedError
-    end
   end
 end