clean-up

briar_repl/__main__.py

 import asyncio
-import json
 import types
 from . import connections as conn
 from . import contacts as cont
 from . import messages as msgs
-from . import blogs
-from .start_up import URLS, AUTH, TOKEN
 from . import repl
 from .repl import prompt_session as ps
 from .repl import help, exit_repl
 from .contacts import show_contacts, show_pending_contacts, show_own_briar_link, add_contact
+from .blogs import show_blog_posts
 
 
 def main():