This CL removes the src/include folder which was used to forward old
header includes to the new include/ location. The various BUILD rules
which referred to these folders are also removed.
Bug: dawn:1275
Change-Id: Ic0bdc8cf900833af25199ee3e41708953c7c1eec
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/94026
Reviewed-by: Ben Clayton <bclayton@google.com>
Auto-Submit: Dan Sinclair <dsinclair@chromium.org>
Commit-Queue: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>