[Perl] Delete (HTTP method) supports form data

[wing328]

Technically, Delete supports form data in the HTTP request body.

HTTP::Request::Common does not seem to support that for Delete

One alternative is to use HTTP::Request instead

Line: https://github.com/swagger-api/swagger-codegen/blob/master/modules/swagger-codegen/src/main/resources/perl/ApiClient.mustache#L113

If you have questions or want to work on this, please reply to let the community know.

Ref: https://github.com/swagger-api/swagger-codegen/wiki/Guidelines-for-Contribution