get rid of annoying checkboxes for every file in using Team Foundation Server

This, as it turns out, is NOT the appropriate way to solve the problem it discusses. Instead, if you attempt a Check In (in TFS) and you see an unchecked checkbox for every unaltered file in your solution at the "Check In - Source Files - Workspace:YOURNAMEHERE" dialog box...

Shift-Click to select all of the checkboxes and then right-click and select the Undo option.