Remove workflow file

The damn runner keeps making too many POST requests per minute to my
Gitea instance and flooding the entire access.log file, I'm gonna keep
using Goreleaser for easy binary releases but CI/CD unfortunately has to
go away

.gitea/workflows/go-audit.yaml

@@ -1,25 +0,0 @@
-name: Go audit
-run-name: ${{ gitea.actor }} pulled to main! 🚀
-on:
-  pull_request:
-    branches: [main]
-jobs:
-  audit:
-    runs-on: ubuntu-latest
-    steps:
-
-    - uses: actions/checkout@v2
-
-    - name: Set up Go
-      uses: actions/setup-go@v2
-      with:
-        go-version: '>=1.22.0'
-
-    - name: Verify dependencies
-      run: go mod verify
-
-    - name: Build
-      run: go build -v ./...
-
-    - name: Run go vet
-      run: go vet ./...