docs(upgrade): rename Angular 2 to Angular

[rsreimer]

No description provided.

[googlebot]

We found a Contributor License Agreement for you (the sender of this pull request), but were unable to find agreements for the commit author(s). If you authored these, maybe you used a different email address in the git commits than was used to sign the CLA (login here to double check)? If these were authored by someone else, then they will need to sign a CLA as well, and confirm that they're okay with these being contributed to Google.

[googlebot]

We found a Contributor License Agreement for you (the sender of this pull request), but were unable to find agreements for the commit author(s). If you authored these, maybe you used a different email address in the git commits than was used to sign the CLA (login here to double check)? If these were authored by someone else, then they will need to sign a CLA as well, and confirm that they're okay with these being contributed to Google.

[googlebot]

CLAs look good, thanks!

[googlebot]

CLAs look good, thanks!

[Foxandxss]

Thanks, That is on me, but in my defense, they were pretty hard to find.

For the next time, you will like to create a PR from a branch in your fork, because now, your fork will remain out of sync of this repo.