LUCI migration: remove LUCI Webkit Mac (dbg) builder/tester.

We decided not to migrate master.chromium.webkit builders.

R=dpranke@chromium.org

Bug: 790322, 790325
Change-Id: I0bb3547b62fd2c51b6edbaddf8767960e6682d5a
No-Try: True
Reviewed-on: https://chromium-review.googlesource.com/958231Reviewed-by: John Budorick <jbudorick@chromium.org>
Commit-Queue: Andrii Shyshkalov <tandrii@chromium.org>
Cr-Commit-Position: refs/heads/master@{#542651}

infra/config/global/cr-buildbucket.cfg

@@ -580,21 +580,6 @@ buckets {
       dimensions: "cores:8"
     }
 
-    builders {
-      name: "WebKit Mac Builder (dbg)"
-      mixins: "webkit-ci"
-      dimensions: "os:Mac-10.12"
-      dimensions: "cpu:x86-64"
-      dimensions: "cores:8"
-    }
-    builders {
-      name: "WebKit Mac10.11 (dbg)"
-      mixins: "webkit-ci"
-      dimensions: "os:Mac-10.11"
-      dimensions: "cpu:x86-64"
-      dimensions: "cores:8"
-    }
-
     # chromium.gpu.fyi
     builders {
       name: "GPU FYI Mac Builder"

infra/config/global/luci-milo.cfg

@@ -1559,28 +1559,6 @@ consoles: {
     short_name: "bb"
   }
 
-  builders: {
-    name: "buildbucket/luci.chromium.ci/WebKit Mac Builder (dbg)"
-    category: "webkit|mac|debug|builder"
-    short_name: "yay"
-  }
-  builders: {
-    name: "buildbot/chromium.webkit/WebKit Mac Builder (dbg)"
-    category: "webkit|mac|debug|builder"
-    short_name: "nay"
-  }
-
-  builders: {
-    name: "buildbucket/luci.chromium.ci/WebKit Mac10.11 (dbg)"
-    category: "webkit|mac|debug|tester"
-    short_name: "yay"
-  }
-  builders: {
-    name: "buildbot/chromium.webkit/WebKit Mac10.11 (dbg)"
-    category: "webkit|mac|debug|tester"
-    short_name: "nay"
-  }
-
   builders: {
     name: "buildbucket/luci.chromium.ci/Win Builder"
     category: "win|release|builder|32"

infra/config/global/luci-scheduler.cfg

@@ -804,27 +804,6 @@ job {
   }
 }
 
-job {
-  id: "WebKit Mac Builder (dbg)"
-  acl_sets: "default"
-  buildbucket: {
-    server: "cr-buildbucket.appspot.com"
-    bucket: "luci.chromium.ci"
-    builder: "WebKit Mac Builder (dbg)"
-  }
-}
-
-job {
-  id: "WebKit Mac10.11 (dbg)"
-  # Triggered by "WebKit Mac Builder (dbg)".
-  acl_sets: "triggered-by-parent-builders"
-  buildbucket: {
-    server: "cr-buildbucket.appspot.com"
-    bucket: "luci.chromium.ci"
-    builder: "WebKit Mac10.11 (dbg)"
-  }
-}
-
 ################################################################################
 # Windows Builders. Sorted alphabetically.
 ################################################################################