[clang-tools-extra] [clang-doc] remove indentation for preformatted text (PR #166672)

[Erick Velez via cfe-commits]

evelez7 wrote:

> do you have an example where its wrong in that case?

It's fixed there. See this link where you can see the indentation for all the classes in the global namespace.

https://erickvelez.com/clang-doc-mustache-output/pr164314/

https://github.com/llvm/llvm-project/pull/166672