Remove coverage

.github/workflows/check.yml

@@ -30,23 +30,3 @@ jobs:
       - uses: actions-rs/cargo@v1
         with:
           command: test
-  coverage:
-    name: Coverage
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v2
-      - name: Install stable toolchain
-        uses: actions-rs/toolchain@v1
-        with:
-          toolchain: stable
-          override: true
-      - name: Run cargo-tarpaulin
-        uses: actions-rs/tarpaulin@v0.1
-        with:
-          args: '-o Html -- --test-threads=1'
-      - name: Archive code coverage results
-        uses: actions/upload-artifact@v1
-        with:
-          name: code-coverage-report
-          path: tarpaulin-report.html