How Do I Delete My Dual Booted Kali Linux?

I installed Kali Linux on my laptop, but I decided I wanted to remove it so I deleted the partition it used, and then extended my hard drive to take up the unallocated space. The only problem I'm facing now is that Kali Linux is still in my boot menu and whenever I boot it, it enters rescue mode.

So, my question remains... How do I delete my dual booted Kali Linux?