wgengine: remove unused singleflight group
"tailscale.com/util/clientmetric"
"tailscale.com/util/deephash"
"tailscale.com/util/mak"
- "tailscale.com/util/singleflight"
"tailscale.com/version"
"tailscale.com/wgengine/filter"
"tailscale.com/wgengine/magicsock"
@@ -146,10 +145,6 @@ type userspaceEngine struct {
// value of the ICMP identifer and sequence number concatenated.
icmpEchoResponseCallback map[uint32]func()
- // this singleflight is used to deduplicate calls to getStatus when we
- // don't care if the data is perfectly fresh
- getStatusSf singleflight.Group[struct{}, *Status]
-
// Lock ordering: magicsock.Conn.mu, wgLock, then mu.
}
