[clang] [llvm] [MC] Remove UseAssemblerInfoForParsing (PR #91082)

[Krzysztof Parzyszek via cfe-commits]

kparzysz wrote:

It's still used:
```
/work/kparzysz/git/llvm.org/mlir/lib/Target/LLVM/ROCDL/Target.cpp: In member function ‘std::optional<llvm::SmallVector<char, 0> > mlir::ROCDL::SerializeGPUModuleBase::assembleIsa(llvm::StringRef)’:
/work/kparzysz/git/llvm.org/mlir/lib/Target/LLVM/ROCDL/Target.cpp:302:15: error:
 ‘class llvm::MCStreamer’ has no member named ‘setUseAssemblerInfoForParsing’
  302 |   mcStreamer->setUseAssemblerInfoForParsing(true);
      |               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
```

https://github.com/llvm/llvm-project/pull/91082