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.
[3, 10.706, -18.518, -7.007, 0.746, 20.763, 12, 48.879, -25, -19.821, -1.308]