At one point I wanted to remove this feature to stand out from other blogger blogs and then somewhere along the line I decided I wanted it back for the mere reason that I enjoyed accessing my blog's settings by one click of the mouse. Whether I want it to show or not, the following code does this for me:
To show the Nav Bar - remove this code from your html code
To have no Nav Bar - insert this code in your html code right before this piece of code:
Hope this helps!
Further reference in case the solution above did not work: