[Plugin: WordPress HTTPS (SSL)] Help Urgently need to know how to unistall the WordPress HTTPS Plugi

After installing the plugin and entering my SSL Certificate my entire site has crashed, I can’t even get into the admin to uninstall the plugin – my site https://www.odorex.co.nz is not viewable – please I need someone to urgently help.

https://www.ads-software.com/extend/plugins/wordpress-https/