cmd_receive_text: remove unused 'time' import

src/wormhole/scripts/cmd_receive_text.py

@@ -1,5 +1,5 @@
 from __future__ import print_function
-import sys, time, json
+import sys, json
 from wormhole.blocking.transcribe import Receiver, WrongPasswordError
 
 APPID = "lothar.com/wormhole/text-xfer"
@@ -12,7 +12,6 @@ def receive_text(so):
     if not code:
         code = r.input_code("Enter receive-text wormhole code: ")
     r.set_code(code)
-    start = time.time()
     try:
         them_bytes = r.get_data()
     except WrongPasswordError as e: