cd.yaml: temporary remove of rust toochain restore to fix it on server side

.gitea/workflows/cd.yaml

@@ -6,13 +6,6 @@ jobs:
     name: cargo build
     runs-on: ubuntu-latest
     steps:
-      - name: Restore cached toolchain 
-        id: cache-toolchain
-        uses: actions/cache/restore@v4
-        with:
-          path: |
-            ~/.rustup/toolchains
-          key: ${{ runner.os }}-rust-toolchain
       - name: Install minimal stable with clippy and rustfmt
         uses: actions-rs/toolchain@v1
         with: