Revert "kernel-post-upgrade: avoid copying the kernel twice"
Revert "kernel-post-upgrade: avoid copying the kernel twice"

This reverts commit d0dada3c16cf9fa841be69f92130dc673580266f.

On the other hand, it won't hurt and is cleaner anyway.  Waiting for
Arch to start using systemd's installkernel...

grawity/hacks,grawity/hacks,grawity/hacks,grawity/hacks,grawity/hacks,grawity/hacks,grawity/hacks