In this task you will be given a list of numbers. You should remove any number that is not an integer (whole number). If every number is not an whole number then an empty list ("[]") should be returned. Otherwise, answer with the list of whole numbers separated by comma inside brackets.
[-28, -8.512, 47, 18.562, 84, -4.664, 7, 21, 30.989, -45.317, 97]