razer-disable-menubar-icon.md

1. Navigate to /Library/LaunchAgents/.
2. Edit com.razer.rzupdater.plist.
3. Change <false/> in onDemand to <true/>.

This will disable the menu bar item, and the startup of the Synapse app while still loading the engine!

Credits: http://www.mac-forums.com/forums/os-x-apps-games/273786-razer-synapse-2-0-a.html

I just did it on High Sierra, still works.