Clean up presubmit files

- remove mapping of builders to tests, in recipes there is no testfilter anyway
- remove redundant presubmit files (with trybots present in top-level presubmit)
- use "ng" trybots where possible

BUG=none
R=maruel@chromium.org

Review URL: https://codereview.chromium.org/815913002

Cr-Commit-Position: refs/heads/master@{#309245}

1 files changed, 0 insertions, 16 deletions

diff --git a/ui/compositor/PRESUBMIT.py b/ui/compositor/PRESUBMIT.py
deleted file mode 100644
index 6bc103c..0000000
--- a/ui/compositor/PRESUBMIT.py
+++ /dev/null
@@ -1,16 +0,0 @@
-# Copyright (c) 2012 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-"""Chromium presubmit script for src/ui/compositor/.
-
-See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
-for more details on the presubmit API built into gcl.
-"""
-
-def GetPreferredTryMasters(project, change):
-  return {
-    'tryserver.chromium.linux': {
-      'linux_chromium_chromeos_rel': set(['defaulttests']),
-    }
-  }