Revert "Duplicate libgcc.a in front of *so"

This reverts commit 3daacbc1edc64ddcbb32aa3181fda4f9186b8bea.
Revert "Link libgcc.a before shared libraries (especially libc.so)."

This reverts commit d5e7ff7de7bb4e8b08cce4ff7feab465d3b3f64e.