fix https://github.com/openimsdk/open-im-server/issues/2895 (#2896)

* fix: minor log typo

* fix: #2895 no need to specify listen port in config file, just use system random

* drop useless code

pkg/common/cmd/user.go

@@ -59,6 +59,5 @@ func (a *UserRpcCmd) Exec() error {
 
 func (a *UserRpcCmd) runE() error {
 	return startrpc.Start(a.ctx, &a.userConfig.Discovery, &a.userConfig.RpcConfig.Prometheus, a.userConfig.RpcConfig.RPC.ListenIP,
-		a.userConfig.RpcConfig.RPC.RegisterIP, a.userConfig.RpcConfig.RPC.Ports,
 		a.Index(), a.userConfig.Share.RpcRegisterName.User, &a.userConfig.Share, a.userConfig, user.Start)
 }