Remove Author Link from Blog Post

I installed and activate Breadcrumbs plugins on my site to allows users to keep track of their locations within my websites, but i see that there is no any Nav on my site.
Website Address: http://issan.org.ng/
Thanks in advance.
Daniel.

Dear Daniel,

What plugin are you using? Could you please share the download link of it, so I can try it on my test site?

Regards,
Kharis