pnacl-clang: Remove "-shared" and "-dynamic" options
pnacl-clang: Remove "-shared" and "-dynamic" options

Remove some PNaCl support for dynamic linking with glibc.

BUG=https://code.google.com/p/nativeclient/issues/detail?id=3520
TEST=PNaCl toolchain trybots

Review URL: https://codereview.chromium.org/56703002

git-svn-id: 721b910a23eff8a86f00c8fd261a7587cddf18f8@12352 fcba33aa-ac0c-11dd-b9e7-8d5594d729c2

sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client