Here is the step by step Tutorial for Trick To Remove Blogger Navigation Bar From Blogger
  1. Sign in into blogger and click on Design
  2. Now click on Edit Html (Here you will see the html code of your template)
  3. Tick the checkbox Expand Widget Templates (On top-right side of your template)
  4. Now search of this code ]]></b:skin> in your template
  5. Just before ]]></b:skin> add this code
    6. #navbar-iframe {
    height:0px;
    visibility:hidden;
    display:none
    }
  6. Now save your template by clicking on Save Template button
    7. blogger navbar navigation hide Trick To Remove Blogger Navigation Bar From Blogger
  7. Open your blog and see how good your template looks without navigation bar
Is it Illegal To Remove Blogger Navigation Bar?
Blogger hasn’t mentioned anywhere in its terms that it is illegal to remove the navigation bar.Moreover we are not removing we are just hiding it.So,just relax and apply this trick