Remove Even Numbers

Remove Even Numbers

Given an ArrayList of Integers nums, remove all even numbers.

removeEvens( [ 1, 2, 3, 4, 5 ] ) => [ 1, 3, 5 ]
removeEvens( [ 1, 3, 5, 7, 9, 11 ] ) => [ 1, 3, 5, 7, 9, 11 ]
removeEvens( [ 2, 4, 6, 8 ] ) = [ ]