Merge pull request #20588 from mattwire/recaptcharefactor

REF dev/core#2571 Move reCAPTCHA code to extension

diff --cc CRM/Contribute/Form/Contribution/Main.php
Simple merge

diff --cc CRM/Contribute/Form/ContributionBase.php
Simple merge

diff --cc CRM/Mailing/Form/Subscribe.php
Simple merge

diff --cc templates/CRM/Contribute/Form/Contribution/Main.tpl
Simple merge