Geo:: Use default has_create_events? param for registries

doc/development/geo/framework.md

@@ -265,10 +265,6 @@ For example, to add support for files referenced by a `Widget` model with a
      MODEL_FOREIGN_KEY = :widget_id
 
      belongs_to :widget, class_name: 'Widget'
-
-     def self.has_create_events?
-       true
-     end
    end
    ```
 

ee/app/models/geo/base_registry.rb

@@ -52,6 +52,10 @@ class Geo::BaseRegistry < Geo::TrackingBase
       .limit(batch_size)
   end
 
+  def self.has_create_events?
+    true
+  end
+
   def model_record_id
     read_attribute(self.class::MODEL_FOREIGN_KEY)
   end

ee/app/models/geo/package_file_registry.rb

@@ -12,10 +12,6 @@ class Geo::PackageFileRegistry < Geo::BaseRegistry
   sha_attribute :verification_checksum
   sha_attribute :verification_checksum_mismatched
 
-  def self.has_create_events?
-    true
-  end
-
   def self.delete_for_model_ids(package_file_ids)
     # TODO: https://gitlab.com/gitlab-org/gitlab/-/issues/222635
     []

ee/app/models/geo/project_registry.rb

@@ -46,10 +46,6 @@ class Geo::ProjectRegistry < Geo::BaseRegistry
     Feature.enabled?(:geo_project_registry_ssot_sync)
   end
 
-  def self.has_create_events?
-    true
-  end
-
   def self.find_registry_differences(range)
     source_ids = Gitlab::Geo.current_node.projects.id_in(range).pluck_primary_key
     tracked_ids = self.pluck_model_ids_in_range(range)