Fix IndentationError in persona_dialogue.py by removing stray docstring delimiter

bot/utils/persona_dialogue.py

@@ -22,15 +22,9 @@ import globals
 from utils.logger import get_logger
 
 logger = get_logger('persona')
-"""
 
 import os
 import json
-import time
-import asyncio
-import discord
-import globals
-
 from transformers import pipeline
 
 # ============================================================================