[clangd] Get rid of QueryScopes.empty() == AnyScope special case.

Reviewers: sammccall

Reviewed By: sammccall

Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, kadircet, cfe-commits

Differential Revision: https://reviews.llvm.org/D53933

git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@346223 91177308-0d34-0410-b5e6-96231b3b80d8
7 files changed