[w3c/browser-payment-api] Remove explanation using "parties" (#266)

Fixes #121.

Per @rsolomakhin's [comment](https://github.com/w3c/browser-payment-api/issues/121#issuecomment-227622592), removing use of the term "party" in the introduction.
You can view, comment on, or merge this pull request online at:

  https://github.com/w3c/browser-payment-api/pull/266

-- Commit Summary --

  * Remove explanation using "parties"

-- File Changes --

    M index.html (12)

-- Patch Links --

https://github.com/w3c/browser-payment-api/pull/266.patch
https://github.com/w3c/browser-payment-api/pull/266.diff

-- 
You are receiving this because you are subscribed to this thread.
Reply to this email directly or view it on GitHub:
https://github.com/w3c/browser-payment-api/pull/266