remove unsupported action

.github/workflows/flatpak.yml

@@ -1,29 +0,0 @@
-name: Publish Flatpak on Release
-
-on:
-  release:
-    types: [created]
-
-jobs:
-  publish:
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Checkout Code
-        uses: actions/checkout@v4
-
-      - name: Set up Flatpak
-        run: |
-          sudo apt install flatpak
-          flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
-
-      - name: Build Flatpak Bundle
-        run: |
-          flatpak-builder --force-clean build --install-deps-from=flathub --repo=repo --user io.github.yggverse.Yoda.yaml
-          flatpak build-bundle repo Yoda.flatpak io.github.yggverse.Yoda
-
-      - name: Upload Flatpak Bundle
-        uses: actions/upload-artifact@v4
-        with:
-          name: Yoda.flatpak
-          path: Yoda.flatpak

.gitignore

@@ -1,5 +1,4 @@
 *flatpak*
-!flatpak.yml
 build
 Cargo.lock
 repo