[clangd] Add categories to help options, and only show clangd options.
Summary:
Restricting the categories prevents extra unwanted options from creeping into
help (D60663), and removes a bunch of noise from --help-hidden.
While here, remove `static` from the opts in favor of an anon namespace, to
reduce the noise level.
Reviewers: hokein
Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, kadircet, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D65200
git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@366900 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed
