Remove release.yml in favor of create-release workflow

Releases are now fully handled by create-release.yml, which is
triggered manually via the GitHub UI or `make release`. The separate
tag-triggered release.yml is no longer needed.

.github/workflows/release.yml

@@ -1,50 +0,0 @@
-name: Release
-
-on:
-    push:
-        tags:
-            - "v*"
-
-permissions:
-    contents: write
-
-jobs:
-    release:
-        name: Release
-        runs-on: ubuntu-latest
-        steps:
-            - name: Check out code
-              uses: actions/checkout@v5
-
-            - name: Verify manifest version matches tag
-              run: |
-                  TAG_VERSION="${GITHUB_REF_NAME#v}"
-                  MANIFEST_VERSION=$(jq -r .version manifest.json)
-                  if [ "$TAG_VERSION" != "$MANIFEST_VERSION" ]; then
-                    echo "::error::Tag version ($TAG_VERSION) does not match manifest.json version ($MANIFEST_VERSION)"
-                    exit 1
-                  fi
-
-            - name: Set up Go
-              uses: actions/setup-go@v5
-              with:
-                  go-version-file: go.mod
-
-            - name: Install TinyGo
-              run: |
-                  wget https://github.com/tinygo-org/tinygo/releases/download/v0.40.1/tinygo_0.40.1_amd64.deb
-                  sudo dpkg -i tinygo_0.40.1_amd64.deb
-                  sudo apt install -y binaryen
-
-            - name: Run tests
-              run: make test
-
-            - name: Build and package plugin
-              run: make package
-
-            - name: Create release
-              uses: softprops/action-gh-release@v2
-              with:
-                  draft: true
-                  files: discord-rich-presence.ndp
-                  generate_release_notes: true