[ELF2] Simplify test from r249150
[ELF2] Simplify test from r249150

As Rafael pointed out, we don't need quite so many flags on the llvm-readobj
RUN line here.

git-svn-id: f6089bf0e6284f307027cef4f64114ee9ebb0424@249162 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/lld,llvm-mirror/lld