remove single quotes in some logging messages (#4908)

('FileNotFoundError: [Errno 2] No such file or directory: ''')
->
(FileNotFoundError: [Errno 2] No such file or directory: '')

gallery_dl/extractor/reddit.py

@@ -159,7 +159,7 @@ class RedditExtractor(Extractor):
             data = meta[item["media_id"]]
             if data["status"] != "valid" or "s" not in data:
                 self.log.warning(
-                    "gallery %s: skipping item %s ('status: %s')",
+                    "gallery %s: skipping item %s (status: %s)",
                     submission["id"], item["media_id"], data.get("status"))
                 continue
             src = data["s"]