fix!: remove remote middleware & gateway auto registration

BREAKING CHANGE: remote middleware & auto registration logic will be moves to configuration microservice

Author: MatthewPattell

src/services/abstract-microservice.ts

@@ -34,6 +34,7 @@ import { MiddlewareType } from '@interfaces/services/i-abstract-microservice';
 abstract class AbstractMicroservice {
   /**
    * @type {Microservice}
+   * @protected
    */
   protected static instance: AbstractMicroservice;