Destructive mode is required to build the Kata Containers snap. See:
```
.github/workflows/snap-release.yaml
.github/workflows/snap.yaml
```
Hence, update the last file that we forgot to update with
`--destructive-mode`.
Signed-off-by: James O. D. Hunt <james.o.hunt@intel.com>
Now that kata-pkgsync has been removed, this PR removes the reference
in the documentation.
Fixes#3513
Signed-off-by: Gabriela Cervantes <gabriela.cervantes.tellez@intel.com>