The "Edit My Profile" page will open.

(I am going to pause here to tell you something else you might not have realized. You can change the colors of your Dashboard. Just select the color scheme you like and update your profile. As you can see I have chosen Ocean.)

But let's get back to removing the toolbar. We will do this by turning it off.

Look down the page and you will see a line that says "Toolbar" with a check box to the right.