[clang-tools-extra] [clangd] Add option: --limit-hover-contents (PR #155105)

[Jaagup Averin via cfe-commits]

JaagupAverin wrote:

Hey. Thanks for the response and patience.
Both valid points. I looked at the config options last week and then forgot about them when I got to making the PR and only had CLI options in my mind.
Force pushed a better implementation.

https://github.com/llvm/llvm-project/pull/155105