device-lenovo-q706f: move to archived

Depends on now archived firmware-lenovo-q706f and the maintainer has not
responded on the GitLab issue where they were pinged 2 months ago.

Part-of: <https://gitlab.postmarketos.org/postmarketOS/pmaports/-/merge_requests/8883>

device/archived/device-lenovo-q706f/APKBUILD

@@ -1,5 +1,6 @@
+# Archived: unmaintained
 # Reference: <https://postmarketos.org/devicepkg>
-maintainer="chalkin Deng <chalkin@yeah.net>"
+maintainer=""
 pkgname=device-lenovo-q706f
 pkgdesc="Lenovo Xiaoxin Pad Pro 12.6 (Lenovo Tab P12 Pro)"
 pkgver=7

device/archived/linux-lenovo-q706f/APKBUILD

@@ -1,5 +1,6 @@
+# Archived: unmaintained
 # Kernel config based on: arch/arm64/configs/defconfig
-maintainer="chalkin Deng <chalkin@yeah.net>"
+maintainer=""
 _flavor="lenovo-q706f"
 pkgname=linux-$_flavor
 pkgver=6.11.0