The Community is in Read-Only Mode as we get ready to unveil a brand-new experience. Stay tuned something amazing is on the way!
To get rid of the google search bar, hold down on the home screen to get the wallpaper, widget icons. You will also see a settings icon beside them. Choose that and you have the option of turning off the google search function on the home screen.
I totally forgot that's on the original Turbo ... thanks for the reminder; good to know it's also on the Turbo 2.
Or you can always chance to a different Launcher, like Nova which allows more customizations.