xiaomi-natrium: move to archived

The maintainer has no pmOS GitLab account, meaning this
device is functionally abandoned.

Signed-off-by: Aster Boese <asterboese@mailbox.org>
Part-of: <https://gitlab.postmarketos.org/postmarketOS/pmaports/-/merge_requests/9083>

device/archived/device-xiaomi-natrium/APKBUILD

@@ -1,5 +1,7 @@
+# Archived: Maintainer had no pmOS GitLab account
+
 # Reference: <https://postmarketos.org/devicepkg>
-maintainer="Alec Su (AlecJY) <ae40515@yahoo.com.tw>"
+maintainer=""
 pkgname=device-xiaomi-natrium
 pkgdesc="Xiaomi Mi 5s Plus"
 pkgver=10

device/archived/firmware-xiaomi-natrium/APKBUILD

@@ -1,4 +1,6 @@
-maintainer="Alec Su (AlecJY) <ae40515@yahoo.com.tw>"
+# Archived: Maintainer had no pmOS GitLab account
+
+maintainer=""
 pkgname=firmware-xiaomi-natrium
 pkgver=1
 pkgrel=0