Remove cache config from GHA workflows

.github/workflows/bench.yml

@@ -16,32 +16,7 @@ jobs:
           profile: minimal
           override: true
 
-      - name: Generate Cargo.lock
-        uses: actions-rs/cargo@v1
-        with:
-          command: generate-lockfile
-      - name: Cache cargo registry
-        uses: actions/cache@v1
-        with:
-          path: ~/.cargo/registry
-          key: ${{ matrix.version }}-x86_64-unknown-linux-gnu-registry-trimmed-${{ hashFiles('**/Cargo.lock') }}
-      - name: Cache cargo index
-        uses: actions/cache@v1
-        with:
-          path: ~/.cargo/git
-          key: ${{ matrix.version }}-x86_64-unknown-linux-gnu-cargo-index-trimmed-${{ hashFiles('**/Cargo.lock') }}
-      - name: Cache cargo build
-        uses: actions/cache@v1
-        with:
-          path: target
-          key: ${{ matrix.version }}-x86_64-unknown-linux-gnu-cargo-build-trimmed-${{ hashFiles('**/Cargo.lock') }}
-
       - name: Check benchmark
         uses: actions-rs/cargo@v1
         with:
           command: bench
-
-      - name: Clear the cargo caches
-        run: |
-          cargo install cargo-cache --no-default-features --features ci-autoclean
-          cargo-cache