Disable flatpak for now.

The current flatpak workflow in Orca is too troublesome to maintain.

.github/workflows/build_all.yml

@@ -60,21 +60,21 @@ jobs:
       arch: ${{ matrix.arch }}
       build-deps-only: ${{ inputs.build-deps-only || false }}
     secrets: inherit
-  flatpak:
-    name: "Flatpak"
-    runs-on: ubuntu-latest
-    container:
-      image: bilelmoussaoui/flatpak-github-actions:gnome-45
-      options: --privileged
-    steps:
-    # maybe i'm too dumb and fucked up to do CI. OH WELL :D -ppd
-    - name: "Remove unneeded stuff to free disk space"
-      run:
-        sudo rm -rf /usr/share/dotnet /opt/ghc "/usr/local/share/boost" "$AGENT_TOOLSDIRECTORY"
-    - uses: actions/checkout@v4
-    - uses: flatpak/flatpak-github-actions/flatpak-builder@v6
-      with:
-        bundle: orcaslicer.flatpak
-        manifest-path: flatpak/io.github.softfever.OrcaSlicer.yml
-        cache-key: flatpak-builder-${{ github.sha }}
-        cache: false
+  # flatpak:
+  #   name: "Flatpak"
+  #   runs-on: ubuntu-latest
+  #   container:
+  #     image: bilelmoussaoui/flatpak-github-actions:gnome-45
+  #     options: --privileged
+  #   steps:
+  #   # maybe i'm too dumb and fucked up to do CI. OH WELL :D -ppd
+  #   - name: "Remove unneeded stuff to free disk space"
+  #     run:
+  #       sudo rm -rf /usr/share/dotnet /opt/ghc "/usr/local/share/boost" "$AGENT_TOOLSDIRECTORY"
+  #   - uses: actions/checkout@v4
+  #   - uses: flatpak/flatpak-github-actions/flatpak-builder@v6
+  #     with:
+  #       bundle: orcaslicer.flatpak
+  #       manifest-path: flatpak/io.github.softfever.OrcaSlicer.yml
+  #       cache-key: flatpak-builder-${{ github.sha }}
+  #       cache: false