
`std::wstring AnsiToUtf16(const std::string &ansi)` is a reimplementation of `llvm::sys::windows::UTF8ToUTF16`. This patch removes `AnsiToUtf16` and its usages entirely.
`std::wstring AnsiToUtf16(const std::string &ansi)` is a reimplementation of `llvm::sys::windows::UTF8ToUTF16`. This patch removes `AnsiToUtf16` and its usages entirely.