chore(ci): remove tidy check

- Not really needed with newer `go install`
- Conflicts with Go 1.17 go.mod format
- Conflicts with manual indirect dependency upgrade

.github/workflows/ci.yml

@@ -52,9 +52,6 @@ jobs:
       - name: Linting
         run: docker build --target lint .
 
-      - name: Go mod tidy check
-        run: docker build --target tidy .
-
       - name: Build test image
         run: docker build --target test -t test-container .