src: remove duplicate assignment of O_EXCL in node_constants.cc

PR-URL: #59049
Reviewed-By: theanarkh <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Anna Henningsen <[email protected]>
Reviewed-By: Chengzhong Wu <[email protected]>

Author: Tango992

src/node_constants.cc

@@ -1108,10 +1108,6 @@ NODE_DEFINE_CONSTANT(target, UV_FS_O_FILEMAP);
   NODE_DEFINE_CONSTANT(target, O_DIRECTORY);
 #endif
 
-#ifdef O_EXCL
-  NODE_DEFINE_CONSTANT(target, O_EXCL);
-#endif
-
 #ifdef O_NOATIME
   NODE_DEFINE_CONSTANT(target, O_NOATIME);
 #endif