How to remove "featured post" header from sticky posts on Twenty Twelve theme

In my blog when i make a post sticky it comes first on the post list as i want but with a "featured post" header that i don't want.How can i delete the "featured post" header that's over my sticky post?
If you are referring to the Featured Post with the double bars above and below try the following CSS code.

How to remove "This entry was posted in" wordpress Twenty Twelve theme

How to remove "This entry was posted in" from the post below if you are using Twenty Twelve Theme in your wordpress blog.

To remove it, first you go in wordpress admin area, first click “Appearance” and “Editor”. Select and click“Theme Functions (functions.php)” file and search for the code as below,