HIde List Tab from Ribbion for List

HI All,
          After very long time I am posting the issue on SP 2013 .One of my follower mailed me few times for the solution to hide the List Tab from the SP Ribbon.

Step-1
 Insert the Script Editor Web-part in the List or Document Library
Step-2
   Insert the below snippet

<style type="text/css"> #Ribbon\.List-title{ DISPLAY: none !important } </style>
Step-3
     Check Hidden Option the Layout option ->ok