apparmor: Use str_yes_no() helper function
Remove hard-coded strings by using the str_yes_no() helper function.
Fix a typo in a comment: s/unpritable/unprintable/
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: John Johansen <john.johansen@canonical.com>
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