[clangd] DefineOutline won't copy virtual specifiers on methods
The define out of line refactor tool previously would copy the virtual, override and final specifier into the out of line method definition.
This results in malformed code as those specifiers aren't allowed outside the class definition.
Reviewers: hokein, kadircet
Reviewed By: kadircet
Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, kadircet, usaxena95, cfe-commits
Tags: #clang, #clang-tools-extra
Differential Revision: https://reviews.llvm.org/D75429
(cherry picked from commit b2666ccca0277371a09e43a0a5a0f78029ba81e5)