Removing Quick Launch Bar from SharePoint SItes.

Here are the steps to follow:

(1)Add content editor webpart on page

(2) Click on Modify shared webpart

(3) Click on source editor button

(4) Copy and paste the following HTML.

<'style>

.ms-quicklaunch

{

display:none;

}

.ms-navframe

{

display: none;

}

<'/style>

(5)Go to layouts section of that webpart and select Hidden