Yes, you can certainly do that. This is how you can register with hotel and without meals. Please go to register page, then select this option "Full Package 2 - 4 people", then go ahead fill out all the information.
When it comes to the payment, select "Credit Card", then submit your registration. Don't make any payment.
Then send us an email to firstname.lastname@example.org with your registration code and request "remove meals".
Then we will remove the meals out of your registration and adjust your total balance.
Then you can make the payment.