Remove benchmarking from CI

.github/workflows/rust.yml

@@ -11,14 +11,13 @@ env:
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
 
     steps:
     - uses: actions/checkout@v3
+
     - name: Build
       run: cargo build --verbose
-    - name: Run tests
+
+    - name: Test
       run: cargo test --verbose
-    - name: Run benchmarks
-      run: cargo bench