Revert "Disable rust-lld on nightly to fix coverage ci failure (#5)"

This reverts commit c8b4683.

Author: kezhuw

.github/workflows/ci.yml

@@ -68,10 +68,6 @@ jobs:
           toolchain: nightly
           override: true
           components: llvm-tools-preview
-    # dtolnay/linkme#88
-    # rust-lang/rust#124129
-    - name: Disable rust-lld
-      run: echo RUSTFLAGS=${RUSTFLAGS}\ -Zlinker-features=-lld >> $GITHUB_ENV
     - run: cargo install grcov
     - name: Install cargo-feature-combinations
       run: cargo install cargo-feature-combinations