Revert "Add gdb pretty printers for a wide variety of libc++ data structures."

This reverts commit d8c9f2f572fe06a34ccfc28ee9223b64d7d275d3.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@370553 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed