Reland "Remove Windows debug bots from consoles"

This is a reland of 025bf21795504cc38e2e820b7f3a5dbda924ed6b

Original change's description:
> Remove Windows debug bots from consoles
> 
> They've been a bit flaky, and I don't want to bother sheriffs with them
> yet.
> 
> Bug: 878915
> Change-Id: Ia37db9742e3bf7e58a2efba8ab4032f7b121620e
> Reviewed-on: https://chromium-review.googlesource.com/1195926
> Reviewed-by: John Budorick <[email protected]>
> Commit-Queue: Stephen Martinis <[email protected]>
> Cr-Commit-Position: refs/heads/master@{#587409}

Bug: 878915
Change-Id: I65ea5aa215a235cdfc2b93c4804f69a93a953e95
Reviewed-on: https://chromium-review.googlesource.com/1196919
Reviewed-by: John Budorick <[email protected]>
Commit-Queue: Stephen Martinis <[email protected]>
Cr-Commit-Position: refs/heads/master@{#587679}
diff --git a/testing/buildbot/generate_buildbot_json.py b/testing/buildbot/generate_buildbot_json.py
index 6229fcf3..69613c1f 100755
--- a/testing/buildbot/generate_buildbot_json.py
+++ b/testing/buildbot/generate_buildbot_json.py
@@ -761,6 +761,9 @@
       'WebKit Linux layout_ng Dummy Builder',
       'WebKit Linux root_layer_scrolls Dummy Builder',
       'WebKit Linux slimming_paint_v2 Dummy Builder',
+      # chromium, due to https://crbug.com/878915
+      'win-dbg',
+      'win32-dbg',
     ]
 
   def check_input_file_consistency(self):