remove gateway banner and some other TODO loggers (#15125)

cmd/gateway-main.go

@@ -32,7 +32,6 @@ import (
 	"github.com/gorilla/mux"
 	"github.com/minio/cli"
 	"github.com/minio/madmin-go"
-	"github.com/minio/minio/internal/color"
 	"github.com/minio/minio/internal/config"
 	xhttp "github.com/minio/minio/internal/http"
 	"github.com/minio/minio/internal/logger"
@@ -221,10 +220,6 @@ func StartGateway(ctx *cli.Context, gw Gateway) {
 	// Set when gateway is enabled
 	globalIsGateway = true
 
-	// TODO: We need to move this code with globalConfigSys.Init()
-	// for now keep it here such that "s3" gateway layer initializes
-	// itself properly when KMS is set.
-
 	// Initialize server config.
 	srvCfg := newServerConfig()
 
@@ -384,15 +379,5 @@ func StartGateway(ctx *cli.Context, gw Gateway) {
 		logger.Info("======")
 	}
 
-	// TODO: remove the following line by June 1st.
-	logger.Info(
-		color.RedBold(`
-===================================================================================
-**** WARNING: MinIO Gateway will be removed by June 1st from MinIO repository *****
-
-Please read https://github.com/minio/minio/issues/14331
-===================================================================================
-`))
-
 	<-globalOSSignalCh
 }