To remove Wavebox from your mac, simply move the Wavebox Application to the Trash from Applications.
Additionally if you want to remove your Wavebox user data...
- In Finder menu (top bar), click on 'Go' while holding down the Option key.
- Then select 'Library'
- Click on 'Application Support'
- Right-click on 'WaveboxApp' click on 'Move to Trash'.