[chromium.swarm] Remove buildbot and heartbeat builders

These have migrated to luci
Except for heartbeat, which has been deleted.

Bug: 790703, 790614
Change-Id: Ida1e02c3b1671471a07bfa8f11bda407f0a0d7a6
Reviewed-on: https://chromium-review.googlesource.com/1142615Reviewed-by: Vadim Shtayura <vadimsh@chromium.org>
Reviewed-by: Jao-ke Chin-Lee <jchinlee@chromium.org>
Reviewed-by: Marc-Antoine Ruel <maruel@chromium.org>
Commit-Queue: Ryan Tseng <hinoka@chromium.org>
Cr-Commit-Position: refs/heads/master@{#576271}

infra/config/global/cr-buildbucket.cfg

@@ -1836,11 +1836,6 @@ buckets {
       dimensions: "os:Windows-10"
       mixins: "webkit-ci"
     }
-    builders {
-      name: "Heartbeat Canary"
-      dimensions: "os:Ubuntu-14.04"
-      mixins: "swarm-ci"
-    }
     builders {
       name: "VR Linux"
       dimensions: "os:Ubuntu-14.04"
@@ -2102,11 +2097,6 @@ buckets {
       dimensions: "os:Ubuntu-14.04"
       mixins: "lkgr-ci"
     }
-    builders {
-      name: "Heartbeat"
-      dimensions: "os:Ubuntu-14.04"
-      mixins: "swarm-ci"
-    }
     builders {
       name: "WinMSVC64 Goma Canary"
       dimensions: "os:Windows-10"

infra/config/global/luci-milo.cfg

@@ -3372,35 +3372,21 @@ consoles {
   refs: "refs/heads/master"
   manifest_name: "REVISION"
   builders {
-    name: "buildbot/chromium.swarm/Android N5 Swarm"
     name: "buildbucket/luci.chromium.ci/Android N5 Swarm"
   }
   builders {
-    name: "buildbot/chromium.swarm/Android N5X Swarm"
     name: "buildbucket/luci.chromium.ci/Android N5X Swarm"
   }
   builders {
-    name: "buildbot/chromium.swarm/ChromeOS Swarm"
     name: "buildbucket/luci.chromium.ci/ChromeOS Swarm"
   }
   builders {
-    name: "buildbot/chromium.swarm/Heartbeat"
-    name: "buildbucket/luci.chromium.ci/Heartbeat"
-  }
-  builders {
-    name: "buildbot/chromium.swarm/Heartbeat Canary"
-    name: "buildbucket/luci.chromium.ci/Heartbeat Canary"
-  }
-  builders {
-    name: "buildbot/chromium.swarm/Linux Swarm"
     name: "buildbucket/luci.chromium.ci/Linux Swarm"
   }
   builders {
-    name: "buildbot/chromium.swarm/Mac Swarm"
     name: "buildbucket/luci.chromium.ci/Mac Swarm"
   }
   builders {
-    name: "buildbot/chromium.swarm/Windows Swarm"
     name: "buildbucket/luci.chromium.ci/Windows Swarm"
   }
 }

infra/config/global/luci-scheduler.cfg

@@ -2563,26 +2563,6 @@ job {
   }
 }
 
-job {
-  id: "Heartbeat"
-  acl_sets: "default"
-  buildbucket: {
-    server: "cr-buildbucket.appspot.com"
-    bucket: "luci.chromium.ci"
-    builder: "Heartbeat"
-  }
-}
-
-job {
-  id: "Heartbeat Canary"
-  acl_sets: "default"
-  buildbucket: {
-    server: "cr-buildbucket.appspot.com"
-    bucket: "luci.chromium.ci"
-    builder: "Heartbeat Canary"
-  }
-}
-
 job {
   id: "Jumbo Linux x64"
   acl_sets: "default"