Update cmake.yml

Author: Gogoshika-ga

.github/workflows/cmake.yml

@@ -82,8 +82,8 @@ jobs:
         # Verify the change
         clang --version
         clang++ --version
+        echo "Checking clang headers..."
         clang++ -v -E -x c++ /dev/null
-        clang++ -v -stdlib=libc++
 
     - name: Configure CMake
       # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.