[CodeView] Don't print PointerAttributes when dumping.

PointerAttributes is a bitwise-or of several other fields, each of
which is already printed on its own line with a better explanation.
So this doesn't really help much.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@347275 91177308-0d34-0410-b5e6-96231b3b80d8
11 files changed