[clang] [clang-tools-extra] [lldb] [llvm] [Allocator] Drop RedZoneSize (non-sanitizer) and BytesAllocated members (PR #205711)

[Paul Osmialowski via cfe-commits]

pawosm-arm wrote:

> Ping @MaskRay : Did you see this? It still fails: https://lab.llvm.org/buildbot/#/builders/169/builds/24285

It fails in our CI too. Any chance for a fix or revert?:

```
--
/home/jenkins/agent/workspace/ATfL/arm-toolchain-main/atfl-sanitizer-test/build_sanitizer/tools/clang/unittests/./AllClangUnitTests --gtest_filter=PPMemoryAllocationsTest.PPMacroDefinesAllocations
--
/home/jenkins/agent/workspace/ATfL/arm-toolchain-main/atfl-sanitizer-test/clang/unittests/Lex/PPMemoryAllocationsTest.cpp:92
Expected: (BytesPerDefine) < (130.0f), actual: 136.839172 vs 130
```

https://github.com/llvm/llvm-project/pull/205711