ci: removed flatpak from our c-cpp workflow

.github/workflows/c-cpp.yml

@@ -1081,29 +1081,8 @@ jobs:
         name: "debian-bookworm-armhf-rpi3"
         path: amiberry-${{ steps.tag.outputs.tag }}-debian-bookworm-armhf-rpi3.zip
 
-  build-flatpak:
-    runs-on: ubuntu-latest
-    container:
-      image: bilelmoussaoui/flatpak-github-actions:freedesktop-23.08
-      options: --privileged
-
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Build Flatpak
-        uses: flatpak/flatpak-github-actions/[email protected]
-        with:
-          bundle: amiberry.flatpak
-          manifest-path: ./flatpak/com.blitterstudio.amiberry.yml
-          arch: x86_64
-          build-bundle: true
-          verbose: true
-          cache: true
-          restore-cache: true
-          cache-key: flatpak-builder-${{ github.sha }}
-
   create-release:
-    needs: [build-macOS-x86_64, build-debian-buster-x86_64, build-debian-bullseye-x86_64, build-debian-bookworm-x86_64, build-manjaro-aarch64-rpi4, build-manjaro-aarch64-rk3399, build-debian-bookworm-aarch64-rpi5, build-debian-bookworm-armhf-rpi5, build-debian-buster-aarch64-rpi4, build-debian-buster-armhf-rpi4, build-debian-bullseye-aarch64-rpi4, build-debian-bullseye-armhf-rpi4, build-debian-bookworm-aarch64-rpi4, build-debian-bookworm-armhf-rpi4, build-debian-buster-aarch64-rpi3, build-debian-buster-armhf-rpi3, build-debian-bullseye-aarch64-rpi3, build-debian-bullseye-armhf-rpi3, build-debian-bookworm-aarch64-rpi3, build-debian-bookworm-armhf-rpi3, build-flatpak]
+    needs: [build-macOS-x86_64, build-debian-buster-x86_64, build-debian-bullseye-x86_64, build-debian-bookworm-x86_64, build-manjaro-aarch64-rpi4, build-manjaro-aarch64-rk3399, build-debian-bookworm-aarch64-rpi5, build-debian-bookworm-armhf-rpi5, build-debian-buster-aarch64-rpi4, build-debian-buster-armhf-rpi4, build-debian-bullseye-aarch64-rpi4, build-debian-bullseye-armhf-rpi4, build-debian-bookworm-aarch64-rpi4, build-debian-bookworm-armhf-rpi4, build-debian-buster-aarch64-rpi3, build-debian-buster-armhf-rpi3, build-debian-bullseye-aarch64-rpi3, build-debian-bullseye-armhf-rpi3, build-debian-bookworm-aarch64-rpi3, build-debian-bookworm-armhf-rpi3]
     runs-on: ubuntu-latest
     if: github.ref_type == 'tag'
     steps: