xiaomi: Remove every single devices covered by mi439

The maintainer of those was last active in 2020

Change-Id: I4b712e63c6ca68b07528320511a572f9d36cb073
diff --git a/_xiaomi/xiaomiredmi8.markdown b/_xiaomi/xiaomiredmi8.markdown
deleted file mode 100644
index 6ad0160..0000000
--- a/_xiaomi/xiaomiredmi8.markdown
+++ /dev/null
@@ -1,24 +0,0 @@
----
-layout: device
-title:  "Xiaomi Redmi 8"
-codename: olive
-downloadfolder: olive
-supportstatus: Current
-maintainer: AltsecDEV
-devicetree: https://github.com/TeamWin/android_device_xiaomi_olive
-oem: Xiaomi
----
-
-{% include disclaimer.html %}
-
-{% include supportstatus.html %}
-
-{% include xiaomiunlock.html %}
-
-{% include appinstall.html %}
-
-{% include download.html %}
-
-{% include twrpinstall.html %}
-
-{% include fastbootinstall.html %}
diff --git a/_xiaomi/xiaomiredmi8a.markdown b/_xiaomi/xiaomiredmi8a.markdown
deleted file mode 100644
index 560f30c..0000000
--- a/_xiaomi/xiaomiredmi8a.markdown
+++ /dev/null
@@ -1,24 +0,0 @@
----
-layout: device
-title:  "Xiaomi Redmi 8a"
-codename: olivelite
-downloadfolder: olivelite
-supportstatus: Current
-maintainer: AltsecDEV
-devicetree: https://github.com/TeamWin/android_device_xiaomi_olivelite
-oem: Xiaomi
----
-
-{% include disclaimer.html %}
-
-{% include supportstatus.html %}
-
-{% include xiaomiunlock.html %}
-
-{% include appinstall.html %}
-
-{% include download.html %}
-
-{% include twrpinstall.html %}
-
-{% include fastbootinstall.html %}