*: Clear redundant log methods (#444)

Author: tisonkun

pkg/ddl-checker/executable_checker.go

@@ -36,7 +36,7 @@ type ExecutableChecker struct {
 
 // NewExecutableChecker creates a new ExecutableChecker
 func NewExecutableChecker() (*ExecutableChecker, error) {
-	logutil.InitZapLogger(&logutil.LogConfig{
+	logutil.InitLogger(&logutil.LogConfig{
 		Config: log.Config{
 			Level: "error",
 		},

tidb-binlog/pump_client/client.go

@@ -27,7 +27,6 @@ import (
 	"github.com/pingcap/tidb-tools/pkg/etcd"
 	"github.com/pingcap/tidb-tools/pkg/utils"
 	"github.com/pingcap/tidb-tools/tidb-binlog/node"
-	"github.com/pingcap/tidb/util/logutil"
 	pb "github.com/pingcap/tipb/go-binlog"
 	pd "github.com/tikv/pd/client"
 	"go.etcd.io/etcd/mvcc/mvccpb"
@@ -613,8 +612,3 @@ func copyPumps(pumps map[string]*PumpStatus) []*PumpStatus {
 
 	return ps
 }
-
-// InitLogger initializes logger.
-func InitLogger(cfg *logutil.LogConfig) error {
-	return logutil.InitZapLogger(cfg)
-}