remove removing rustup and default cargo, remove building aarch64 deb

Signed-off-by: strawberry <strawberry@puppygock.gay>

.github/workflows/ci.yml

@@ -21,9 +21,6 @@ jobs:
       - name: Sync repository
         uses: actions/checkout@v4
 
-      - name: Uninstall obstructive tools
-        run: rm -rf "$HOME/.rustup" "$HOME/.cargo"
-
       - name: Install Nix (with flakes and nix-command enabled)
         uses: cachix/install-nix-action@v25
         with:
@@ -131,14 +128,3 @@ jobs:
           name: deb-x86_64-unknown-linux-gnu
           path: target/debian/*.deb
           if-no-files-found: error
-
-      - name: Build deb-aarch64-unknown-linux-gnu
-        run: |
-          cargo deb --target=aarch64-unknown-linux-gnu
-
-      - name: Upload artifact deb-aarch64-unknown-linux-gnu
-        uses: actions/upload-artifact@v4
-        with:
-          name: deb-aarch64-unknown-linux-gnu
-          path: target/debian/*.deb
-          if-no-files-found: error