Unless you are using OpenStack, AWS etc then cloud-init is just some bloat that slows down the booting of your VM and can actually halt it from booting if it doesn't have a proper working IP (not good!).
#remove cloud init!
Debian based Ubuntu / Mint
sudo apt remove cloud-init
RHEL / CentOS based
yum remove cloud-init
init, vmunless, openstack, aws, etc, bloat, slows, booting, vm, halt, doesn, ip, debian, ubuntu, mint, sudo, apt, rhel, centos, yum,