eth/tracers/logger: fix json-logger output missing (#30804)

Fixes a flaw introduced in
https://github.com/ethereum/go-ethereum/pull/29795 , discovered while
reviewing https://github.com/ethereum/go-ethereum/pull/30633 .

eth/tracers/logger/logger_json.go

@@ -71,7 +71,7 @@ func NewJSONLogger(cfg *Config, writer io.Writer) *tracing.Hooks {
 	l.hooks = &tracing.Hooks{
 		OnTxStart:         l.OnTxStart,
 		OnSystemCallStart: l.onSystemCallStart,
-		OnExit:            l.OnEnd,
+		OnExit:            l.OnExit,
 		OnOpcode:          l.OnOpcode,
 		OnFault:           l.OnFault,
 	}
@@ -152,13 +152,6 @@ func (l *jsonLogger) OnEnter(depth int, typ byte, from common.Address, to common
 	l.encoder.Encode(frame)
 }
 
-func (l *jsonLogger) OnEnd(depth int, output []byte, gasUsed uint64, err error, reverted bool) {
-	if depth > 0 {
-		return
-	}
-	l.OnExit(depth, output, gasUsed, err, false)
-}
-
 func (l *jsonLogger) OnExit(depth int, output []byte, gasUsed uint64, err error, reverted bool) {
 	type endLog struct {
 		Output  string              `json:"output"`