<!-- AddThis Button BEGIN -->
blah blah blah
<!-- AddThis Button END -->
You should not modify core files .. if you would like to donate a cup of coffee I will write it in a modification for you.
Spinning Social : Links : Menus : Payments : Socials : Ads : Screen Backgrounds : Galleries : Headers : Banners : Promos
Find the code for this in the templates and comment it out or remove it, they are in here:
For quick, professional OpenCart support please email firstname.lastname@example.org