refactor: remove nested errlog package

pkg/errlog/errlog.go

@@ -1,18 +0,0 @@
-package errlog
-
-import (
-	"io"
-	"log"
-)
-
-func Close(closer io.Closer, message string) {
-	if err := closer.Close(); err != nil {
-		log.Printf("%s: %v", message, err)
-	}
-}
-
-func Log(message string, err error) {
-	if err != nil {
-		log.Printf("%s: %v", message, err)
-	}
-}