If you have access to your database you can uncheck the check box for forcing login https by running this query: (assuming your database prefix is mdl_)
update mdl_config set value = 0 where name = 'loginhttps';
If you have access to your database you can uncheck the check box for forcing login https by running this query: (assuming your database prefix is mdl_)
update mdl_config set value = 0 where name = 'loginhttps';