[build-script] Remove the setting of LLVM_CONFIG. It is no longer necessary since we use {LLVM,Clang}Config.cmake.

Author: gottesmm

utils/build-script-impl

@@ -1893,7 +1893,6 @@ for host in "${ALL_HOSTS[@]}"; do
                 cmake_options=(
                     "${cmake_options[@]}"
                     -DCMAKE_INSTALL_PREFIX:PATH="$(get_host_install_prefix ${host})"
-                    -DLLVM_CONFIG:PATH="$(build_directory_bin ${host} llvm)/llvm-config"
                     -DSWIFT_PATH_TO_CLANG_SOURCE:PATH="${CLANG_SOURCE_DIR}"
                     -DSWIFT_PATH_TO_CLANG_BUILD:PATH="${llvm_build_dir}"
                     -DSWIFT_PATH_TO_LLVM_SOURCE:PATH="${LLVM_SOURCE_DIR}"