analytics: Remove unused optparse import.

analytics/management/commands/analyze_mit.py

@@ -1,6 +1,5 @@
 from typing import Any, Dict
 
-from optparse import make_option
 from django.core.management.base import BaseCommand, CommandParser
 from zerver.models import Recipient, Message
 from zerver.lib.timestamp import timestamp_to_datetime

analytics/management/commands/analyze_user_activity.py

@@ -4,7 +4,6 @@ from typing import Any, Dict
 
 from zerver.lib.statistics import seconds_usage_between
 
-from optparse import make_option
 from django.core.management.base import BaseCommand, CommandParser
 from zerver.models import UserProfile
 import datetime