roundrobin: Remove unnecessary ExitIdle override (#8390)

diff --git a/balancer/roundrobin/roundrobin.go b/balancer/roundrobin/roundrobin.go
index 03477217df6037483b6ee1133869f211fd5e9739..22045bf3946c3a0f7b946cd439cf4ba25aed2a54 100644 (file)
--- a/balancer/roundrobin/roundrobin.go
+++ b/balancer/roundrobin/roundrobin.go
@@ -70,7 +70,3 @@ func (b *rrBalancer) UpdateClientConnState(ccs balancer.ClientConnState) error {
                ResolverState: pickfirstleaf.EnableHealthListener(ccs.ResolverState),
        })
 }
-
-func (b *rrBalancer) ExitIdle() {
-       b.Balancer.ExitIdle()
-}