How to delete a picture in grub?

Question

linux

I use kali linux. I did the following. Deleted /quiet splash/ etc. It turned out like this:
GRUB_CMDLINE_LINUX_DEFAULT=""
GRUB_CMDLINE_LINUX=""
The selection in grub is gone, but the picture is not. What to do?

Answer 1

after the changes, run the command
sudo update-initramfs -u

Answer 2

sudo update-initramfs -u && sudo update-grub2