remove caching step in pipeline

.github/workflows/verify.yml

@@ -28,14 +28,6 @@ jobs:
     steps:
     - uses: actions/checkout@v6
     - run: rustup default stable
-    - name: cache crates
-      uses: actions/cache@v4
-      with:
-        path: |
-          ~/.cargo/registry
-          ~/.cargo/git
-          target
-        key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
     - name: check
       working-directory: ./game
       run: cargo check