[code] useless print

plugins/talks.py

@@ -373,7 +373,6 @@ class TalkGridDirective(Directive):
                 while t <= maxtimedelta:
                     times[_delta_to_position(t)] = [None] * len(rooms)
                     t += datetime.timedelta(minutes=gridstep)
-                print(list(times.keys()))
                 for talk in sorted(talks, key=lambda x: x['delta']):
                     talktime = _delta_to_position(talk['delta'])
                     position = _approx_timestr(talktime)