fix: remove broken actions/cache - tests pass without it

.gitea/workflows/ci.yaml

@@ -29,17 +29,6 @@ jobs:
         run: |
           git config --global url."https://oauth2:${REGISTRY_PAT}@forgejo.riotpiao.com".insteadOf "https://forgejo.riotpiao.com"
 
-      # Cache disabled due to go vet failures
-      # - name: cache go modules + build cache
-      #   uses: actions/cache@v4
-      #   with:
-      #     path: |
-      #       ~/.cache/go-build
-      #       ~/go/pkg/mod
-      #     key: go-${{ runner.os }}-${{ hashFiles('go.sum') }}
-      #     restore-keys: |
-      #       go-${{ runner.os }}-
-
       - name: gofmt
         run: |
           fmt_out="$(gofmt -l .)"