No need to pass --expose-gc

http://sambal.org/2014/02/passing-options-node-shebang-line/ was a cool trick but not needed at all.

https://bitbucket.org/chromiumembedded/cef/issues/483/dont-always-add-the-expose-gc-v8-flag
says it will change behavior in ways we don't want.

src/scripts/backupupload.js

@@ -1,7 +1,4 @@
-#!/bin/bash
-':' //# comment; exec /usr/bin/env node --expose-gc "$0" "$@"
-
-// to understand the above hack read http://sambal.org/2014/02/passing-options-node-shebang-line/
+#!/usr/bin/env node
 
 'use strict';