Revert "Move generated LUCI files"

This reverts commit abde297cd9e8f52fb0e27dc94327ebfad26da96a.

Reason for revert: Speculative revert for CQ not working.

Bug: 385317083
Original change's description:
> Move generated LUCI files
>
> Moves the generated LUCI config files from
> //infra/config/global/generated to //infra/config/global/generated/luci.
> This should be a functional no-op.
>
> This is in line with what Chromium does and is a prerequisite for some
> upcoming Starlark changes for several reasons:
>
> 1. We'll be generating significantly more files in the near future, so
>    it is helpful to group them appropriately.
> 2. The Starlark code we are taking a dependency on currently assumes
>    that the generated LUCI files are in a luci/ subdirectory. While this
>    should be fixed in the longer term, moving these files will unblock
>    us sooner.
>
> Bug: 385317083
> Change-Id: Ib60f354d94833dc13abc8e653d213d76073eec7d
> Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/255618
> Auto-Submit: Brian Sheedy <bsheedy@google.com>
> Reviewed-by: Kai Ninomiya <kainino@chromium.org>
> Commit-Queue: Kai Ninomiya <kainino@chromium.org>

TBR=kainino@chromium.org,bsheedy@google.com,dawn-scoped@luci-project-accounts.iam.gserviceaccount.com

No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: 385317083
Change-Id: Ie8314fda75d317873f79d7dafe708580afab4c99
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/255562
Commit-Queue: Brian Sheedy <bsheedy@google.com>
Reviewed-by: Brian Sheedy <bsheedy@google.com>
Reviewed-by: James Price <jrprice@google.com>
diff --git a/infra/config/global/generated/luci/commit-queue.cfg b/infra/config/global/generated/commit-queue.cfg
similarity index 100%
rename from infra/config/global/generated/luci/commit-queue.cfg
rename to infra/config/global/generated/commit-queue.cfg
diff --git a/infra/config/global/generated/luci/cr-buildbucket.cfg b/infra/config/global/generated/cr-buildbucket.cfg
similarity index 100%
rename from infra/config/global/generated/luci/cr-buildbucket.cfg
rename to infra/config/global/generated/cr-buildbucket.cfg
diff --git a/infra/config/global/generated/luci/luci-logdog.cfg b/infra/config/global/generated/luci-logdog.cfg
similarity index 100%
rename from infra/config/global/generated/luci/luci-logdog.cfg
rename to infra/config/global/generated/luci-logdog.cfg
diff --git a/infra/config/global/generated/luci/luci-milo.cfg b/infra/config/global/generated/luci-milo.cfg
similarity index 100%
rename from infra/config/global/generated/luci/luci-milo.cfg
rename to infra/config/global/generated/luci-milo.cfg
diff --git a/infra/config/global/generated/luci/luci-notify.cfg b/infra/config/global/generated/luci-notify.cfg
similarity index 100%
rename from infra/config/global/generated/luci/luci-notify.cfg
rename to infra/config/global/generated/luci-notify.cfg
diff --git a/infra/config/global/generated/luci/luci-scheduler.cfg b/infra/config/global/generated/luci-scheduler.cfg
similarity index 100%
rename from infra/config/global/generated/luci/luci-scheduler.cfg
rename to infra/config/global/generated/luci-scheduler.cfg
diff --git a/infra/config/global/generated/luci/project.cfg b/infra/config/global/generated/project.cfg
similarity index 81%
rename from infra/config/global/generated/luci/project.cfg
rename to infra/config/global/generated/project.cfg
index 63b1ffe..e375b0a 100644
--- a/infra/config/global/generated/luci/project.cfg
+++ b/infra/config/global/generated/project.cfg
@@ -9,11 +9,10 @@
 lucicfg {
   version: "1.45.6"
   package_name: "@dawn-project"
-  package_dir: "../.."
-  config_dir: "generated/luci"
+  package_dir: ".."
+  config_dir: "generated"
   entry_point: "main.star"
   experiments: "crbug.com/1182002"
   experiments: "crbug.com/1347252"
   experiments: "crbug.com/1496969"
-  experiments: "crbug.com/421431364"
 }
diff --git a/infra/config/global/generated/luci/realms.cfg b/infra/config/global/generated/realms.cfg
similarity index 100%
rename from infra/config/global/generated/luci/realms.cfg
rename to infra/config/global/generated/realms.cfg
diff --git a/infra/config/global/main.star b/infra/config/global/main.star
index 0844740..c46181a 100755
--- a/infra/config/global/main.star
+++ b/infra/config/global/main.star
@@ -41,7 +41,6 @@
 
 luci.project(
     name = "dawn",
-    config_dir = "luci",
     buildbucket = "cr-buildbucket.appspot.com",
     logdog = "luci-logdog.appspot.com",
     milo = "luci-milo.appspot.com",