Remove unused imports

Author: leits

deta/base.py

@@ -1,5 +1,4 @@
 import os
-import json
 import typing
 from urllib.parse import quote
 

deta/drive.py

@@ -1,9 +1,7 @@
 import os
 import typing
-import http
 from io import BufferedIOBase, TextIOBase, RawIOBase, StringIO, BytesIO
 from urllib.parse import quote_plus
-import http.client
 
 from .service import JSON_MIME, _Service