Remove deprecated grcov

Author: AsafMah

.github/workflows/build.yml

@@ -50,12 +50,10 @@ jobs:
         run: cargo test --all-features --no-fail-fast -- -Z unstable-options --format json --report-time | tee results.json && cat results.json | cargo2junit > results.xml
         env:
           CARGO_INCREMENTAL: '0'
-          RUSTFLAGS: '-Zprofile -Ccodegen-units=1 -Cinline-threshold=0 -Clink-dead-code -Coverflow-checks=off -Cpanic=abort -Zpanic_abort_tests'
-          RUSTDOCFLAGS: '-Zprofile -Ccodegen-units=1 -Cinline-threshold=0 -Clink-dead-code -Coverflow-checks=off -Cpanic=abort -Zpanic_abort_tests'
+          RUSTFLAGS: '-Ccodegen-units=1 -Cinline-threshold=0 -Clink-dead-code -Coverflow-checks=off -Cpanic=abort -Zpanic_abort_tests'
+          RUSTDOCFLAGS: '-Ccodegen-units=1 -Cinline-threshold=0 -Clink-dead-code -Coverflow-checks=off -Cpanic=abort -Zpanic_abort_tests'
           KUSTO_CLUSTER_URL: ${{ secrets.ENGINE_CONNECTION_STRING }}
           KUSTO_DATABASE: ${{ secrets.TEST_DATABASE }}
-      - uses: actions-rs/[email protected]
-        id: coverage
       - name: Publish Unit Test Results
         uses: EnricoMi/publish-unit-test-result-action@v2
         if: always()