remove --harmony option

diff --git a/cli/zephyr b/cli/zephyr
index 6a43829..a272784 100755 (executable)
--- a/cli/zephyr
+++ b/cli/zephyr
@@ -1,4 +1,4 @@
-#!/usr/bin/env node --harmony
+#!/usr/bin/env node
 
 const zephyr = require('commander');
 const chalk = require('chalk');