Drop clang GH actions cache as it appears broken on OSX

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 693f728ee6d5a054228d414189a734c96bd8345c..98f0e92bb269d40fe234838080112da5d30617eb 100644 (file)
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -61,14 +61,7 @@ jobs:
     steps:
       - name: Install other Rust platforms
         run: rustup target install aarch64-apple-darwin
-      - name: Cache upstream LLVM/clang
-        id: cache-llvm
-        uses: actions/cache@v2
-        with:
-          path: clang+llvm-12.0.0-x86_64-apple-darwin.tar.xz
-          key: clang+llvm-12.0.0-x86_64-apple-darwin.tar.xz
       - name: Fetch upstream LLVM/clang snapshot
-        if: steps.cache-llvm.outputs.cache-hit != 'true'
         run: |
           wget -O clang+llvm-12.0.0-x86_64-apple-darwin.tar.xz https://github.com/llvm/llvm-project/releases/download/llvmorg-12.0.0/clang+llvm-12.0.0-x86_64-apple-darwin.tar.xz
           if [ "$(shasum -a 256 clang+llvm-12.0.0-x86_64-apple-darwin.tar.xz | awk '{ print $1 }')" != "7bc2259bf75c003f644882460fc8e844ddb23b27236fe43a2787870a4cd8ab50" ]; then