fix: Move default country loading for region to the loader, fix a bug with cascade (#6559)

packages/types/src/region/service.ts

@@ -356,15 +356,4 @@ export interface IRegionModuleService extends IModuleService {
     config?: RestoreReturn<TReturnableLinkableKeys>,
     sharedContext?: Context
   ): Promise<Record<string, string[]> | void>
-
-  /**
-   * This method creates default countries.
-   *
-   * @param {Context} sharedContext - A context used to share resources, such as transaction manager, between the application and the module.
-   * @returns {Promise<void>} Resolves when the default countries are created.
-   *
-   * @example
-   * {example-code}
-   */
-  createDefaultCountries(sharedContext?: Context): Promise<void>
 }