Definition: 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.
Input: [-91, 0.313, -2.381, -12, 24.731, -28.52, 91.035, 5.115]

[-91, -12]