Stop triggering for single input query on sort_goodie

The sort_goodie should not be triggered for single numbers (input)
query. This could be fixed by using a return statement check on handler.

* goodie not triggered for single number (input)

See also: #3144

lib/DDG/Goodie/Sort.pm

@@ -38,7 +38,8 @@ handle remainder => sub {
 
     my $count = 0;
     @numbers = map { 0 + $_ } grep { ++$count <= MAX_LIST_SIZE } @numbers;    # Normalize and limit list size.
-
+    return unless $count > 1;
+    
     my $unsorted_list = join($delim, @numbers);
     my $sorted_list = join($delim, sort { $ascending ? $a <=> $b : $b <=> $a } @numbers);
     my $dir = $ascending ? 'ascendingly' : 'descendingly';