cI: remove release action

.gitea/workflows/release.yml

@@ -1,34 +0,0 @@
-name: release
-
-on:
-  push:
-    tags:
-      - 'v*.*.*'
-
-jobs:
-  release:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check out repository code
-        uses: actions/checkout@v3
-      - name: Install dependencies for Nix setup action
-        run: |
-          apt update -y
-          apt install sudo -y
-      - name: Setup Nix
-        uses: cachix/install-nix-action@v27
-        with:
-          nix_path: nixpkgs=channel:nixos-unstable
-      - name: Run CI
-        run: nix-shell --run ./run-ci.sh
-      - name: Setup go
-        uses: https://github.com/actions/setup-go@v4
-        with:
-          go-version: '>=1.20.1'
-      - name: Create release
-        id: create-release
-        uses: https://gitea.com/actions/release-action@main
-        with:
-          files: |-
-            example.pdf
-          api_key: '${{secrets.RELEASE_TOKEN}}'