Update build.yml

.github/workflows/build.yml

@@ -7,18 +7,6 @@ on:
     branches: [ main ]
 
 jobs:
-  archlinux:
-    name: ArchLinux
-    runs-on: ubuntu-latest
-    container: docker.io/library/archlinux:latest
-    steps:
-    - name: Checkout Source
-      uses: actions/checkout@v2
-    - name: dependencies
-      run: pacman -Sy; pacman -S --noconfirm fishui base-devel qt5-base qt5-svg cmake extra-cmake-modules qt5-tools
-    - name: Build
-      run: mkdir build; cd build; cmake .. ; make -j$(nproc);
-
   debian:
     name: Debian
     runs-on: ubuntu-latest