Remove unnecessary call to `print`

Thanks 杜小航!

programs/function_varargs.py

@@ -9,4 +9,4 @@ def total(a=5, *numbers, **phonebook):
     for first_part, second_part in phonebook.items():
         print(first_part,second_part)
 
-print(total(10,1,2,3,Jack=1123,John=2231,Inge=1560))
+total(10,1,2,3,Jack=1123,John=2231,Inge=1560)

programs/function_varargs.txt

@@ -6,4 +6,3 @@ single_item 3
 Inge 1560
 John 2231
 Jack 1123
-None