port https://github.com/arnaucube/babyjubjub-rs to arkworks ff

.github/workflows/clippy.yml

@@ -1,11 +0,0 @@
-name: Clippy check
-on: [push, pull_request]
-jobs:
-  clippy_check:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v1
-      - run: rustup component add clippy
-      - uses: actions-rs/clippy-check@v1
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}