See why we need libiberty

Differential Revision: D68281529

Author: agampe

setup_oss_toolchain.sh

@@ -79,7 +79,6 @@ function install_from_apt {
         bzip2
         ca-certificates
         g++
-        libiberty-dev$BITNESS_SUFFIX
         libjemalloc-dev$BITNESS_SUFFIX
         libjsoncpp-dev$BITNESS_SUFFIX
         liblz4-dev$BITNESS_SUFFIX