manual setup for arch runner test

.gitea/workflows/build_arch.yml

@@ -1,5 +1,5 @@
-name: Test setup and build APKs
-run-name: ${{ gitea.actor }} is building the Docker Images for ${{ gitea.repository }}
+name: Test setup and build APKs archlinux
+run-name: ${{ gitea.actor }} is building APKs for ${{ gitea.repository }}
 on: [push]
 branches:
   - master
@@ -16,7 +16,7 @@ jobs:
 
       - name: Install act_runner dependencies
         run: |
-          pacman -Syu --noconfirm git base-devel curl jq wget unxz sha256sum
+          pacman -Syu --noconfirm git base-devel curl jq wget
 
       - name: Fetch act_runner setup script
         run: |