Preorder not generated
[fix] rm log
Merge branch 'dev_no_pre_order' into release/2.0.0

* dev_no_pre_order:
  [fix] rm log
  Preorder not generated
[misc] bump version to 2.0.0
[refactor] add logging statement

Very rarely, a merchant's extensively customized Checkout extension may
be incompatible with the Affirm extension. To help discover this issue
during testing, provide a useful message.
[docs] update label
[style] place configuration option at bottom of menu
[docs] add comment to explain change
Took out logs, handle repeat hits to confirm + error cases
Merge branch 'release/2.0.0' into dev_no_pre_order
[style] ws
Merge remote-tracking branch 'origin/dev' into dev