[clang-tools-extra] added option `google-readability-namespace-comments.AllowNoNamespaceComments` (PR #124265)

[Thorsten Klein via cfe-commits]

thorsten-klein wrote:

Thanks a lot for your review @vbvictor! 
I have resolved your review findings. 

What do you think about the option's name? Is `AllowNoNamespaceComments` fine for you or shall I rename to `AllowOmittingNamespaceComments` (or any other suggestion)?

https://github.com/llvm/llvm-project/pull/124265