Update eolian_cxx tests in order to remove forbidden eolian notations.
For tests with containers that support non-pointer types,
change `ptr(int)` to `int`.
For tests with containers that only support pointer types,
change `ptr(int)` to `string`.
Remove tests for features that are no longer meaningful with eolian new
Add a FIXME note to eina::range_array when used with eina::string_view.
Reviewers: lauromoura, felipealmeida, q66
Reviewed By: q66
Subscribers: cedric, #reviewers, #committers, bu5hm4n, segfaultxavi
Differential Revision: https://phab.enlightenment.org/D9236