all: sync with master

internal/aghos/os_windows.go

@@ -4,12 +4,11 @@ package aghos
 
 import (
 	"os"
-	"os/signal"
 
 	"golang.org/x/sys/windows"
 )
 
-func setRlimit(val uint64) (err error) {
+func setRlimit(_ uint64) (err error) {
 	return Unsupported("setrlimit")
 }
 
@@ -38,14 +37,6 @@ func isOpenWrt() (ok bool) {
 	return false
 }
 
-func notifyReconfigureSignal(c chan<- os.Signal) {
-	signal.Notify(c, windows.SIGHUP)
-}
-
-func isReconfigureSignal(sig os.Signal) (ok bool) {
-	return sig == windows.SIGHUP
-}
-
 func sendShutdownSignal(c chan<- os.Signal) {
 	c <- os.Interrupt
 }