Fix merge issues, remove excess files - match perl-5.38.2 dist

ok gkoehler@
Commit and we'll fix fallout bluhm@
Right away, please deraadt@

Update perl to 5.30.2

https://metacpan.org/pod/release/SHAY/perl-5.30.2/pod/perldelta.pod

Incompatible Changes
There are no changes intentionally incompatible with 5.30.0.

Updated Modules and

Update perl to 5.30.2

https://metacpan.org/pod/release/SHAY/perl-5.30.2/pod/perldelta.pod

Incompatible Changes
There are no changes intentionally incompatible with 5.30.0.

Updated Modules and Pragmata
* Compress::Raw::Bzip2 has been upgraded from version 2.084 to 2.089.
* Module::CoreList has been upgraded from version 5.20191110 to 5.20200314.

Selected Bug Fixes
* printf() or sprintf() with the %n format no longer cause a panic
on debugging builds, or report an incorrectly cached length value
when producing SVfUTF8 flagged strings.
* A memory leak in regular expression patterns has been fixed.
* A read beyond buffer in grok_infnan has been fixed.
* An assertion failure in the regular expression engine has been fixed.
* (?{...}) eval groups in regular expressions no longer unintentionally
trigger "EVAL without pos change exceeded limit in regex".


Proceed when you feel comfortable. deraadt@

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Import perl-5.28.1

looking good sthen@, Great! bluhm@

import perl 5.16.3 from CPAN - worked on by Andrew Fresh and myself

stock perl 5.8.0 from CPAN