ENH: remove unused code

mesonpy/__init__.py

@@ -877,27 +877,6 @@ def _install_plan(self) -> Dict[str, Dict[str, Dict[str, str]]]:
 
         return install_plan
 
-    @property
-    def _copy_files(self) -> Dict[str, str]:
-        """Files that Meson will copy on install and the target location."""
-        copy_files = {}
-        for origin, destination in self._info('intro-installed').items():
-            destination_path = pathlib.Path(destination).absolute()
-            copy_files[origin] = os.fspath(
-                self._install_dir / destination_path.relative_to(destination_path.anchor)
-            )
-        return copy_files
-
-    @property
-    def _lib_paths(self) -> Set[str]:
-        copy_files = self._copy_files
-        return {
-            os.path.dirname(copy_files[file])
-            for files in self._install_plan.values()
-            for file, details in files.items()
-            if details['destination'].startswith('{libdir_')
-        }
-
     @property
     def _meson_name(self) -> str:
         """Name in meson.build."""