[clang-tidy] `modernize-use-using` deletes (parts of) comments

[tobiasleibner]

Using the modernize-use-using fixes with clang-tidy 19.1.5 transformed the code

   typedef std::vector<std::pair<int, int>>  // start and end chunks for cells in a line
       VCellStartEnd;                        // (end is chunk beyond end of line)

to

    using VCellStartEnd = std::vector<std::pair<int, int>>;  // (end is chunk beyond end of line)

Note that the first part of the comment has been deleted.

[llvmbot]

@llvm/issue-subscribers-clang-tidy

Author: Tobias Leibner (tobiasleibner)

Using the `modernize-use-using` fixes with clang-tidy 19.1.5 transformed the code ```c++ typedef std::vector<std::pair<int, int>> // start and end chunks for cells in a line VCellStartEnd; // (end is chunk beyond end of line) ``` to ```c++ using VCellStartEnd = std::vector<std::pair<int, int>>; // (end is chunk beyond end of line) ``` Note that the first part of the comment has been deleted.