properly delete the tag

commands/utility/untag.js

@@ -34,7 +34,7 @@ module.exports = class CustomResponseCommand extends Command {
                     console.log(err);
                 } else {
                 customresponse = JSON.parse(data); //now it an object
-                customresponse [trigger] = ''
+                delete customresponse[trigger]
                 json = JSON.stringify(customresponse); //convert it back to json
                 fs.writeFile(`./tag/${message.guild.id}.json`, json, 'utf8', function(err) {
                     if(err) {