fix trigger delete duplicate delete keyword

Author: Itai Gendler

lib/interface/cli/commands/trigger/delete.cmd.js

@@ -5,7 +5,7 @@ const deleteRoot = require('../root/delete.cmd');
 const { trigger } = require('../../../../logic').api;
 
 const command = new Command({
-    command: 'delete trigger <event-uri> <pipeline>',
+    command: 'trigger <event-uri> <pipeline>',
     aliases: ['t'],
     parent: deleteRoot,
     description: 'Delete trigger: unlink pipeline from `trigger-event`',