Remove unused method setup_destination_directory in test_importer.py.

third_party/WebKit/Tools/Scripts/webkitpy/w3c/test_importer.py

Index: third_party/WebKit/Tools/Scripts/webkitpy/w3c/test_importer.py
diff --git a/third_party/WebKit/Tools/Scripts/webkitpy/w3c/test_importer.py b/third_party/WebKit/Tools/Scripts/webkitpy/w3c/test_importer.py
index 6733c938e356a3c103dac4471c0b7dc99c1c40ba..0f5e7731f7d9a243828b46179eba1f1a49328151 100644
--- a/third_party/WebKit/Tools/Scripts/webkitpy/w3c/test_importer.py
+++ b/third_party/WebKit/Tools/Scripts/webkitpy/w3c/test_importer.py
@@ -416,15 +416,3 @@ class TestImporter(object):
         """
         path_from_repo_base = os.path.relpath(source_path, self.top_of_repo)
         return len(path_from_repo_base) > MAX_PATH_LENGTH
-
-    def setup_destination_directory(self):
-        """Creates a destination directory that mirrors that of the source directory."""
-
-        new_subpath = self.dir_to_import[len(self.top_of_repo):]
-
-        destination_directory = self.filesystem.join(self.destination_directory, new_subpath)
-
-        if not self.filesystem.exists(destination_directory):
-            self.filesystem.maybe_make_directory(destination_directory)
-
-        _log.info('Tests will be imported into: %s', destination_directory)