Revert "src: update NODE_MODULE_VERSION to 59"

This reverts commit 3ea6dbd8ad9669195849fd0c65e370eebc7a4786.
NODE_MODULE_VERSION is set back to 57

PR-URL: #16413

Author: MylesBorins

src/node_version.h

@@ -102,10 +102,9 @@
  * V8 5.9: 56
  * V8 6.0: 57
  * V8 6.1: 58
- * V8 6.2: 59
  *
  * More information can be found at https://nodejs.org/en/download/releases/
  */
-#define NODE_MODULE_VERSION 59
+#define NODE_MODULE_VERSION 57
 
 #endif  // SRC_NODE_VERSION_H_