[ELF] Remove comment

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@176482 91177308-0d34-0410-b5e6-96231b3b80d8
[ELF] add dynamic library support

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@176483 91177308-0d34-0410-b5e6-96231b3b80d8