FLUID-4980: Removed FLUID-4966 fix that caused issue

Removed FLUID-4966 that added top:0; left:0; to fix horizontal scroll bar's issue. It was no longer needed and caused this issue. Hypothetically, the browser was putting focus on the radio button that was at the top-left of the screen.

Link to Issue : http://issues.fluidproject.org/browse/FLUID-4980
Link to Original Fix : http://issues.fluidproject.org/browse/FLUID-4966