Fix "video_language.txt" formatting

routes.py

@@ -63,7 +63,7 @@ def upload(language: str):
                     json.dump(metadata, f)
 
                 with open(path.join(folder_path, "video_language.txt"), "w") as f:
-                    f.write("{}\n".format(form.language.data))
+                    f.write("{}".format(form.language.data))
 
                 open(path.join(folder_path, "new"), "wb").close()