Plans: Tweak Payments feature language in the Plans feature list.

[donlair]

This PR tweaks the language that describes the Payments features in the Plans comparison section of Calypso. These changes match the current verbiage on the /pricing page of WPcom.

Before:

After:

And here's a picture of the new tooltip copy:

Testing instructions

• Checkout the branch (git checkout update/plates-tweak-payments-wording)
• Start Calypso (yarn start)
• Navigate to /plans/:siteSlug
• Confirm that the Payments row contains the updated copy.

[matticbot]

Test live: https://calypso.live/?branch=update/plans-tweak-payments-wording

[matticbot]

This PR does not affect the size of JS and CSS bundles shipped to the user's browser.

Generated by performance advisor bot at iscalypsofastyet.com.

[a8ci18n]

ℹ️ String reuse speeds up translation and improves consistency. The following string might make a good alternative and has already been translated 3 times:
translate( 'Accept one-time, monthly or annual payments on your website.' ) ES Score: 11
See 1 additional suggestions in the PR translation status page

[a8ci18n]

This Pull Request is now available for translation here: https://translate.wordpress.com/deliverables/4030689

Thank you @donlair for including a screenshot in the description! This is really helpful for our translators.

[victorespigares]

LGTM! 🚢

[anneforbush]

Looks good, @donlair. On Premium plans and up I noticed we have both Payments and Site Monetization showing in the features list. We can clarify that as a separate PR unless you think it makes sense to lump that in with this one.

[a8ci18n]

Translation for this Pull Request has now been finished.