POD ABSTRACT should not have a link

[robrwo]

Version

12.00

Please provide the version of Fastly that you're using.

What happened

The POD has a link in the ABSTRACT:

=head1 NAME

WebService::Fastly - an interface to most facets of the [Fastly API](https://www.fastly.com/documentation/reference/api/).

It should just have the link (and no final period since it's not a sentence)

=head1 NAME

WebService::Fastly - an interface to most facets of the Fastly API