Remove TODOs for supporting TCP_INFO option.

TCP_INFO option is supported in gVisor, but does not return all the fields
in struct TCP_INFO. The fields which were required for debugging are added.
The support for other fields in the struct can be added when required.

PiperOrigin-RevId: 632621246

pkg/sentry/socket/netstack/netstack.go

@@ -1201,8 +1201,6 @@ func getSockOptTCP(t *kernel.Task, s socket.Socket, ep commonEndpoint, name, out
 			return nil, syserr.TranslateNetstackError(err)
 		}
 
-		// TODO(b/64800844): Translate fields once they are added to
-		// tcpip.TCPInfoOption.
 		info := linux.TCPInfo{
 			State:       uint8(v.State),
 			RTO:         uint32(v.RTO / time.Microsecond),

pkg/tcpip/tcpip.go

@@ -1190,8 +1190,6 @@ const (
 )
 
 // TCPInfoOption is used by GetSockOpt to expose TCP statistics.
-//
-// TODO(b/64800844): Add and populate stat fields.
 type TCPInfoOption struct {
 	// RTT is the smoothed round trip time.
 	RTT time.Duration