Delete Connect Market from Admin toolbar.

Removing the line of code listed below will remove "Connect Market" from your Admin toolbar (header part).

Open the following file:

AdminToolbar.php
oc-includes/osclass/classes/AdminToolbar.php

Locate and remove this code:

AdminToolbar.php
osc_add_hook( 'add_admin_toolbar_menus', 'osc_admin_toolbar_market_connect' , 0 );