node: remove unused err var (#32398)

cuiweixie · web-flow · commit a4d3fb98059f · 2025-08-13T15:08:23.000+08:00
diff --git a/node/errors.go b/node/errors.go
@@ -24,10 +24,9 @@ import (
 )
 
 var (
-	ErrDatadirUsed    = errors.New("datadir already used by another process")
-	ErrNodeStopped    = errors.New("node not started")
-	ErrNodeRunning    = errors.New("node already running")
-	ErrServiceUnknown = errors.New("unknown service")
+	ErrDatadirUsed = errors.New("datadir already used by another process")
+	ErrNodeStopped = errors.New("node not started")
+	ErrNodeRunning = errors.New("node already running")
 
 	datadirInUseErrnos = map[uint]bool{11: true, 32: true, 35: true}
 )

Original file line number	Diff line number	Diff line change
`@@ -24,10 +24,9 @@ import (`
`24`	`24`	`)`
`25`	`25`
`26`	`26`	`var (`
`27`		`- ErrDatadirUsed = errors.New("datadir already used by another process")`
`28`		`- ErrNodeStopped = errors.New("node not started")`
`29`		`- ErrNodeRunning = errors.New("node already running")`
`30`		`- ErrServiceUnknown = errors.New("unknown service")`
	`27`	`+ ErrDatadirUsed = errors.New("datadir already used by another process")`
	`28`	`+ ErrNodeStopped = errors.New("node not started")`
	`29`	`+ ErrNodeRunning = errors.New("node already running")`
`31`	`30`
`32`	`31`	`datadirInUseErrnos = map[uint]bool{11: true, 32: true, 35: true}`
`33`	`32`	`)`