Remove annotations for pr17184 (now fixed)

This failure was due to a limitation in the FreeBSD kernel that has now been
addressed.  (llvm.org/pr17226 has the details.)


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@194731 91177308-0d34-0410-b5e6-96231b3b80d8