This reverts commit 072603d40a.
Reason for revert: Causing issues with rolling into flutter engine.
Original change's description:
> Sync packages from shelf mono repo
>
> Drop the DEPS entries for the repositories which will be archived. Each
> of the packages has been merged into the `shelf` repository.
>
> Add the `shelf` repository to the specially handled directories with
> nested packages in `generate_package_config`.
>
> Update path dependencies in pubspecs to the new location.
>
> R=devoncarew@google.com
>
> Change-Id: Iefca4fdb2abb6bafa273b9b6b1b4f25d6c91b005
> Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/243929
> Reviewed-by: Alexander Thomas <athom@google.com>
> Reviewed-by: Devon Carew <devoncarew@google.com>
> Commit-Queue: Nate Bosch <nbosch@google.com>
> Auto-Submit: Nate Bosch <nbosch@google.com>
TBR=devoncarew@google.com,athom@google.com,nbosch@google.com
Change-Id: Ic610d47a3294a7dac9503e8a7b160173e0009056
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/244140
Reviewed-by: Devon Carew <devoncarew@google.com>
Commit-Queue: Nate Bosch <nbosch@google.com>
Reviewed-by: Nate Bosch <nbosch@google.com>
fac9bbb5d6