neorg 8.2.0 adds the field username for metagen

- https://github.com/nvim-neorg/neorg/pull/1331

lua/neorg-configure.lua

@@ -64,14 +64,9 @@ neorg.setup {
     },
     ["core.esupports.metagen"] = {
       config = {
+        author = "Chouhartem",
         type = "empty",
       },
     },
   }
 }
-
--- Use custom name for the author field in metadata instead of the system
--- username
-neorg.utils.get_username = function()
-  return "Chouhartem"
-end