its in the template function call… for sp_Breadcrumbs()
see: http://codex.simple-press.com/codex/api/template-functions-and-the-api/display-template-functions/common-view/sp_breadcrumbs/
set the icon to empty, ie icon=
or more detailed example:
sp_BreadCrumbs(‘tagClass=spLeft spBreadCrumbs&tree=1&icon=’, __sp(‘Home’));

