Removed unused import.

Author: Simon Prickett

src/intro/consumer-average.py

@@ -3,7 +3,6 @@
 from redis import Redis
 from redis.exceptions import ResponseError
 from collections import deque
-import random
 import time
 import json
 import socket

src/intro/consumer.py

@@ -2,7 +2,6 @@
 # Usage: Part of Redis University RU202 courseware
 from redis import Redis
 from redis.exceptions import ResponseError
-import random
 import time
 import json
 import socket