How to remove/hide Search Bar in address bar pulldown list

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I am using Windows 7, IE 10. Recently I noticed that a search bar has been added to the address bar pulldown list in the browser and I can't seem to get rid of it. Any help would be appreciated!

Here's a screenshot of the search bar I am talking about.

 

[ThrashZone]

Who's your default search Google or Bing ?
One or the other has added a word doc search,
My guess would be bing but as Google toolbar goes nothing is exempt,
Manage add-ons,
Post a couple of pictures if you'd like to of the Show All Add-ons pages,
Toolbars and extensions/ and Accelerators