Symbol `grub_is_lockdown` not found

When I boot to live Manjaro ISO and press detect efi bootloader I have 2 options

(hd1,gpt1)/efi/Manjaro/grubx64.exi
(hd1,gpt1)/efi/boot/bootx64.efi

It’s seem I booted a windows10 usb flash drive by mistake. Can I delete the second one. Thank you.