Undo D79220681

Summary: It was reimplemented using ServerObserver in D83169371.

Reviewed By: podtserkovskiy

Differential Revision: D83169767

fbshipit-source-id: 8f3ef95de0262dbcc64c2951d9a173b0ef219529

Author: echistyakov

thrift/lib/go/thrift/rocket_server_transport.go

@@ -115,7 +115,6 @@ func (r *rocketServerTransport) acceptLoop(ctx context.Context) error {
 			tlsConn, isTLS := conn.(tlsConnectionStaterHandshaker)
 			if isTLS {
 				r.observer.ConnTLSAccepted()
-				r.stats.ConnsTLS.RecordEvent()
 
 				err = tlsConn.HandshakeContext(ctx)
 				if err != nil {

thrift/lib/go/thrift/stats/stats.go

@@ -28,7 +28,6 @@ type ServerStats struct {
 
 	// counters
 	ConnsEstablished        *TimingSeries // # of new connections
-	ConnsTLS                *TimingSeries // # of new TLS connections
 	ConnsClosed             *TimingSeries // # of server closed connections
 	ClientClosed            *TimingSeries // # of client closed connections
 	ConnectionPreemptedWork *TimingSeries // event where we didn't perform work due to connection being closed
@@ -113,7 +112,6 @@ func NewServerStats(cfg *TimingConfig, statsPeriod time.Duration) *ServerStats {
 
 		// events/duration stats
 		ConnsEstablished:        NewTimingSeries(cfg),
-		ConnsTLS:                NewTimingSeries(cfg),
 		ConnsClosed:             NewTimingSeries(cfg),
 		ClientClosed:            NewTimingSeries(cfg),
 		ConnectionPreemptedWork: NewTimingSeries(cfg),
@@ -159,8 +157,6 @@ func (stats *ServerStats) GetInts() map[string]int64 {
 
 	s := stats.ConnsEstablished.MustSummarize(stats.statsPeriod)
 	ints["connections.established."+periodStr] = int64(s.Count)
-	s = stats.ConnsTLS.MustSummarize(stats.statsPeriod)
-	ints["connections.tls."+periodStr] = int64(s.Count)
 	s = stats.ConnsClosed.MustSummarize(stats.statsPeriod)
 	ints["connections.closed."+periodStr] = int64(s.Count)
 	s = stats.ClientClosed.MustSummarize(stats.statsPeriod)

thrift/lib/go/thrift/stats/stats_test.go

@@ -30,7 +30,6 @@ func TestStats(t *testing.T) {
 	ints := stats.GetInts()
 	expectedInts := map[string]int64{
 		"connections.client_ended.60":               0,
-		"connections.tls.60":                        0,
 		"connections.closed.60":                     0,
 		"connections.connected":                     0,
 		"connections.connection_preempted_work.60":  0,