Revert "fix(redisotel): fix the situation of reporting spans multiple times (#3168)"

This reverts commit 5314a57.

Author: AllanGuigou

extra/redisotel/tracing.go

@@ -30,6 +30,8 @@ func InstrumentTracing(rdb redis.UniversalClient, opts ...TracingOption) error {
 		rdb.AddHook(newTracingHook(connString, opts...))
 		return nil
 	case *redis.ClusterClient:
+		rdb.AddHook(newTracingHook("", opts...))
+
 		rdb.OnNewNode(func(rdb *redis.Client) {
 			opt := rdb.Options()
 			opts = addServerAttributes(opts, opt.Addr)
@@ -38,6 +40,8 @@ func InstrumentTracing(rdb redis.UniversalClient, opts ...TracingOption) error {
 		})
 		return nil
 	case *redis.Ring:
+		rdb.AddHook(newTracingHook("", opts...))
+
 		rdb.OnNewNode(func(rdb *redis.Client) {
 			opt := rdb.Options()
 			opts = addServerAttributes(opts, opt.Addr)