[llvm] [BOLT][DWARF] Remove option to write to DWP (PR #100771)

[Alexander Yermolovich via llvm-commits]

ayermolo wrote:

> > What about declaration of those data structures?
> 
> About to push those changes, was fixing a rebase issue

Why was rebase necessary?

https://github.com/llvm/llvm-project/pull/100771