Revert "Add workaround to fix clangd not being able to perform cross-…

…file renames on Windows"

This reverts commit e86613a.

tools/project.py

@@ -1672,15 +1672,7 @@ def try_replace(flag: str) -> bool:
 
         def default_format(o):
             if isinstance(o, Path):
-                path_str = o.resolve().as_posix()
-                if os.name == "nt":
-                    # clangd has an issue dealing with case-insensitive paths on Windows.
-                    # If the drive letter of a path is a capital letter, clangd will fail to handle
-                    # cross-file rename operations, so we have to convert the first character of the
-                    # path to lowercase as a workaround.
-                    # https://github.com/clangd/clangd/issues/108
-                    path_str = path_str[0].lower() + path_str[1:]
-                return path_str
+                return o.resolve().as_posix()
             return str(o)
 
         json.dump(clangd_config, w, indent=2, default=default_format)