Hiding the widget is quite simple. Just follow these steps:
Step 1 - Log into your account.
Step 2 - Click on 'Manage' button.
Step 3 - Go to the 'Customize' section.
Step 4 - Click on the field with the person icon.
Step 5 - Select 'Custom Anchor' and leave the field empty.
Step 6 - Scroll down to the Mobile section and set Icon Position to None.
Step 7 - Click 'Save' and you're all set. The widget icon will no longer appear on your site.