Remove -fPIC flags.

We no longer need to explictly pass -fPIC, instead this flag should be
populated by the toolchain.

Test: $ tiles_ctl add
      fuchsia-pkg://fuchsia.com/spinning_square_view#meta/spinning_square_view.cmx
Change-Id: Ia98993e76e7e16236963f9b9660e015aba0b2382
2 files changed