CJJP

i have created order page like one page checkout. When user came to order page user able to edit product from there and quantity etc everything that user able to do in cart page. So now i just want to remove cart page. (extra page in my website) Can anyone help me for same. I can put redirection - but if i have set minimum order value (checkout) then in this case i am unable to open order page. Please check image for details -> https://ibb.co/ynbvXpj