Create a function that takes a string and returns a new string with all vowels removed.
RemoveVowels("I have never seen a thin person drinking Diet Coke.")
➞ " hv nvr sn thn prsn drnkng Dt Ck."
RemoveVowels("We're gonna build a wall!")
➞ "W'r gnn bld wll!"
RemoveVowels("Happy Thanksgiving to all--even the haters and losers!")
➞ "Hppy Thnksgvng t ll--vn th htrs nd lsrs!"