remove rustfmt

.github/workflows/rust.yml

@@ -17,7 +17,3 @@ jobs:
       run: cargo build --verbose
     - name: Run tests
       run: cargo test --verbose
-    - name: rust-rustfmt-check
-      uses: mbrobbel/rustfmt-check@0.1.0
-      with:
-        token: ${{ secrets.GITHUB_TOKEN }}