Removing unnecessary imports.

app.py

@@ -2,8 +2,6 @@ import os
 import chainlit as cl
 from dotenv import load_dotenv
 from operator import itemgetter
-from langchain_text_splitters import RecursiveCharacterTextSplitter
-from langchain_community.vectorstores import FAISS
 from langchain_core.prompts import PromptTemplate
 from langchain.schema.output_parser import StrOutputParser
 from langchain.schema.runnable import RunnablePassthrough