revert changes in cluster/index.ts

Author: leibale

packages/client/lib/cluster/index.ts

@@ -6,7 +6,6 @@ import { attachExtensions, transformCommandReply, attachCommands, transformComma
 import { EventEmitter } from 'events';
 import RedisClusterMultiCommand, { InstantiableRedisClusterMultiCommandType, RedisClusterMultiCommandType } from './multi-command';
 import { RedisMultiQueuedCommand } from '../multi-command';
-import { PubSubListener } from '../client/pub-sub';
 
 export type RedisClusterClientOptions = Omit<
     RedisClientOptions,
@@ -240,16 +239,6 @@ export default class RedisCluster<
 
     multi = this.MULTI;
 
-    SSUBSCRIBE<T extends boolean>(
-        channels: string | Array<string>,
-        listener: PubSubListener<T>,
-        bufferMode?: T
-    ): Promise<void> {
-        
-    }
-
-    sSubscribe = this.SSUBSCRIBE;
-
     getMasters(): Array<ClusterNode<M, F, S>> {
         return this.#slots.getMasters();
     }