Drop our apertis delta in debian/apparmor.postinst, since we use rust-coreutils

Signed-off-by: Dylan Aïssi <dylan.aissi@collabora.com>

debian/apparmor.postinst

@@ -99,7 +99,7 @@ EOM
 EOM
 
             mkdir -p /etc/apparmor.d/tunables/xdg-user-dirs.d 2>/dev/null || true
-            mv -Z "$tmp" /etc/apparmor.d/tunables/xdg-user-dirs.d/site.local
+            mv -Z -n "$tmp" /etc/apparmor.d/tunables/xdg-user-dirs.d/site.local
             chmod 644 /etc/apparmor.d/tunables/xdg-user-dirs.d/site.local
         fi