CI: do not install linux deps

Signed-off-by: Stephen Gutekanst <stephen@hexops.com>

.github/workflows/ci.yml

@@ -27,6 +27,8 @@ jobs:
         run: |
           sudo apt install xz-utils
           sudo sh -c 'wget -c https://pkg.machengine.org/zig/zig-linux-x86_64-0.13.0-dev.351+64ef45eb0.tar.xz -O - | tar -xJ --strip-components=1 -C /usr/local/bin'
+      - name: launch xvfb
+        run: Xvfb :99 -screen 0 1680x720x24 > /dev/null 2>&1 &
       # - name: x86_64-linux -> x86_64-linux-musl
       #   run: zig build -Dtarget=x86_64-linux-musl
       - name: x86_64-linux -> x86_64-macos
@@ -35,14 +37,6 @@ jobs:
         run: zig build -Dtarget=aarch64-macos
       - name: x86_64-linux -> x86_64-windows
         run: zig build -Dtarget=x86_64-windows-gnu
-      - name: launch xvfb
-        run: Xvfb :99 -screen 0 1680x720x24 > /dev/null 2>&1 &
-      # TODO: do we actually need this?
-      - name: install Linux dependencies
-        run: |
-          sudo add-apt-repository -y ppa:kisak/kisak-mesa
-          sudo apt-get update
-          sudo apt-get install mesa-utils mesa-utils-extra mesa-va-drivers mesa-vdpau-drivers mesa-vulkan-drivers xvfb pulseaudio jackd
       - name: build
         run: zig build
       - name: test