chore: Don't do codecov (#21)

.github/workflows/coverage.yml

@@ -1,29 +0,0 @@
-name: Coverage
-
-on:
-  push:
-    branches: [main]
-
-# Ensures that we cancel running jobs for the same PR / same workflow.
-concurrency:
-  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
-  cancel-in-progress: true
-
-jobs:
-  coverage:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - name: Install Rust
-        run: rustup toolchain install nightly-2024-07-01 --profile minimal --component llvm-tools-preview
-      - uses: Swatinem/rust-cache@v2
-      - uses: taiki-e/install-action@cargo-llvm-cov
-      - name: Generate code coverage
-        run: cargo +nightly-2024-07-01 llvm-cov --all-features --workspace --doctests --lcov --output-path lcov.info
-      - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v3
-        continue-on-error: true
-        with:
-          token: ${{ secrets.CODECOV_TOKEN }} # not required for public repos
-          files: lcov.info
-          fail_ci_if_error: true