Removes actually unneeded transitional __resolve_chroot_symlink method

Author: Samuel FORESTIER

src/distro/distro.py

@@ -1102,10 +1102,6 @@ def __resolve_chroot_symlink_as_needed(self, link_location: str) -> str:
         if self.root_dir is None:
             return link_location
 
-        return self.__resolve_chroot_symlink(link_location)
-
-    def __resolve_chroot_symlink(self, link_location: str) -> str:
-        assert self.root_dir is not None
         if os.path.commonprefix([self.root_dir, link_location]) != self.root_dir:
             raise FileNotFoundError