removes the element located at index from @array.
removeAt(%hash, "index", ...)removes the element associated with "index" from %hash.
@array, %hash - the data structure to remove the referenced elements from
index, ... - the location of the data to remove.
%data = %(a => "apple", b => "boy george", c => 33, p => 'pHEAR'); removeAt(%data, "b", "c"); println(%data);
%(a => 'apple', p => 'pHEAR')