Revert "add 'linux-rel-swarming' builder using chromium-swarm-staging"

This reverts commit ead9dd18.

Reason for revert: The added builder doesn't work

Original change's description:
> add 'linux-rel-swarming' builder using chromium-swarm-staging
> 
> This adds copy of
> https://luci-milo-dev.appspot.com/p/chromium/builders/ci/linux-rel-swarming
> but use chromium-swarm-staging.appspot.com.
> 
> I don't have confidence whether this builder runs correctly at first,
> but let me try to see what happens.
> 
> Bug: b/144318226
> Change-Id: I3fba44f82619e6303fa2685063658eafbcbdf3b7
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1989300
> Auto-Submit: Takuto Ikuta <tikuta@chromium.org>
> Reviewed-by: Yoshisato Yanagisawa <yyanagisawa@google.com>
> Commit-Queue: Takuto Ikuta <tikuta@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#745826}

TBR=maruel@chromium.org,yyanagisawa@google.com,yyanagisawa@chromium.org,tikuta@chromium.org,jwata@google.com

Change-Id: I54ecad5adecb7283e309458a4edad4996bee7250
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: b/144318226
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2083733Reviewed-by: Garrett Beaty <gbeaty@chromium.org>
Commit-Queue: Garrett Beaty <gbeaty@chromium.org>
Cr-Commit-Position: refs/heads/master@{#746046}

infra/config/buckets/ci.star

@@ -1084,11 +1084,6 @@ ci.fyi_builder(
     triggered_by = ['win-pixel-builder-rel'],
 )
 
-ci.fyi_builder(
-    name = 'linux-rel-swarming',
-    executable = 'recipe:swarming/staging',
-    swarming_host = 'chromium-swarm-staging.appspot.com',
-)
 
 ci.fyi_celab_builder(
     name = 'win-celab-builder-rel',

infra/config/consoles/chromium.fyi.star

@@ -230,11 +230,6 @@ luci.console_view(
             category = 'network|traffic|annotations',
             short_name = 'lnx',
         ),
-        luci.console_view_entry(
-            builder = 'ci/linux-rel-swarming',
-            category = 'swarming|staging',
-            short_name = 'lnx',
-        ),
         luci.console_view_entry(
             builder = 'ci/win-annotator-rel',
             category = 'network|traffic|annotations',

infra/config/generated/cr-buildbucket.cfg

@@ -7353,27 +7353,6 @@ buckets: <
       build_numbers: YES
       service_account: "chromium-ci-builder@chops-service-accounts.iam.gserviceaccount.com"
     >
-    builders: <
-      name: "linux-rel-swarming"
-      swarming_host: "chromium-swarm-staging.appspot.com"
-      swarming_tags: "vpython:native-python-wrapper"
-      dimensions: "builderless:1"
-      dimensions: "cores:8"
-      dimensions: "cpu:x86-64"
-      dimensions: "os:Ubuntu-16.04"
-      dimensions: "ssd:0"
-      recipe: <
-        name: "swarming/staging"
-        cipd_package: "infra/recipe_bundles/chromium.googlesource.com/chromium/tools/build"
-        cipd_version: "refs/heads/master"
-        properties_j: "$build/goma:{\"enable_ats\":true,\"rpc_extra_params\":\"?prod\",\"server_host\":\"goma.chromium.org\"}"
-        properties_j: "$kitchen:{\"devshell\":true,\"git_auth\":true}"
-        properties_j: "mastername:\"chromium.fyi\""
-      >
-      execution_timeout_secs: 36000
-      build_numbers: YES
-      service_account: "chromium-ci-builder@chops-service-accounts.iam.gserviceaccount.com"
-    >
     builders: <
       name: "linux-swangle-tot-angle-x64"
       swarming_host: "chromium-swarm.appspot.com"

infra/config/generated/luci-milo.cfg

@@ -3275,11 +3275,6 @@ consoles: <
     category: "network|traffic|annotations"
     short_name: "lnx"
   >
-  builders: <
-    name: "buildbucket/luci.chromium.ci/linux-rel-swarming"
-    category: "swarming|staging"
-    short_name: "lnx"
-  >
   builders: <
     name: "buildbucket/luci.chromium.ci/win-annotator-rel"
     category: "network|traffic|annotations"

infra/config/generated/luci-scheduler.cfg

@@ -5572,15 +5572,6 @@ job: <
     builder: "linux-gcc-rel"
   >
 >
-job: <
-  id: "linux-rel-swarming"
-  acl_sets: "ci"
-  buildbucket: <
-    server: "cr-buildbucket.appspot.com"
-    bucket: "luci.chromium.ci"
-    builder: "linux-rel-swarming"
-  >
->
 job: <
   id: "linux-swangle-tot-angle-x64"
   acl_sets: "ci"
@@ -6504,7 +6495,6 @@ trigger: <
   triggers: "linux-fieldtrial-rel"
   triggers: "linux-gcc-rel"
   triggers: "ci-linux-ozone-rel"
-  triggers: "linux-rel-swarming"
   triggers: "linux-swangle-tot-angle-x64"
   triggers: "linux-swangle-tot-angle-x86"
   triggers: "linux-swangle-tot-swiftshader-x64"

infra/config/recipes.star

@@ -105,10 +105,6 @@ build_recipe(
     name = 'recipe:swarming/deterministic_build',
 )
 
-build_recipe(
-    name = 'recipe:swarming/staging',
-)
-
 build_recipe(
     name = 'recipe:tricium_clang_tidy_wrapper',
 )