[Merge] ~codyshepherd/livecd-rootfs/+git/livecd-rootfs:remove-ec2-version into livecd-rootfs:ubuntu/master

[Cody Shepherd]

Cody Shepherd has proposed merging ~codyshepherd/livecd-rootfs/+git/livecd-rootfs:remove-ec2-version into livecd-rootfs:ubuntu/master.

Commit message:
fix: remove ec2-version hook for cpc images

This file is not meant to exist outside of ec2 images, and will be handled instead in cpc secret sauce.

Requested reviews:
  Canonical Foundations Team (canonical-foundations)

For more details, see:
https://code.launchpad.net/~codyshepherd/livecd-rootfs/+git/livecd-rootfs/+merge/471011
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