runtime: remove unused const stackSystem on dragonfly

Change-Id: I778c2bd7cf0b12275bae344cb2130a7959500481
Reviewed-on: https://go-review.googlesource.com/c/go/+/295470
Trust: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>

diff --git a/src/runtime/os_dragonfly.go b/src/runtime/os_dragonfly.go
index b786c8ab5f79e1ba703534301e912c4556fce999..2e930b6e949b14bda2a666f2bf8cad229ca78765 100644 (file)
--- a/src/runtime/os_dragonfly.go
+++ b/src/runtime/os_dragonfly.go
@@ -65,8 +65,6 @@ func setNonblock(fd int32)
 
 func pipe() (r, w int32, errno int32)
 
-const stackSystem = 0
-
 // From DragonFly's <sys/sysctl.h>
 const (
        _CTL_HW      = 6