Update utils.py

Changes only effect time_format.
Line 302 - Removed seconds_str. Superfluous.
Line 303 - Provides minutes_str a default value which remains if value is below lowest descriptor. Previously if seconds was below a minute style 2 would return absolutely nothing.

evennia/utils/utils.py

@@ -299,7 +299,9 @@ def time_format(seconds, style=0):
         """
         Full-detailed, long-winded format. We ignore seconds.
         """
-        days_str = hours_str = minutes_str = seconds_str = ''
+        days_str = hours_str = ''
+        minutes_str = '0 minutes'
+        
         if days > 0:
             if days == 1:
                 days_str = '%i day, ' % days