Sorry you are facing this issue, it would be my pleasure to help you.
Welcome to the Shopify community!
Thanks for your good question.
Please share your site URL,
I will check out the issue and provide you a solution here.
@Skatedanmark - 2 options
1 - remove entire section and check if your theme has only image section or
2 - remove second image form slider and it will be like a single image
can you please share store url? or please check your theme customization option just click eye icon if you have section enable or disable