Revert of Add closure_compilation to `git cl try` for CLs that touch resources

chrome/browser/resources/PRESUBMIT.py

Index: chrome/browser/resources/PRESUBMIT.py
diff --git a/chrome/browser/resources/PRESUBMIT.py b/chrome/browser/resources/PRESUBMIT.py
index 2e853aa7e2d53876c1c0d6c417c240315b3431ee..6d60a3a922829212ccbaaba2e03fa37454310b48 100644
--- a/chrome/browser/resources/PRESUBMIT.py
+++ b/chrome/browser/resources/PRESUBMIT.py
@@ -120,11 +120,3 @@
   rietveld_obj.update_description(cl.issue, new_description)
   return [output_api.PresubmitNotifyResult(
       'Automatically added optional Closure bots to run on CQ.')]
-
-
-def GetPreferredTryMasters(project, change):
-  return {
-    'tryserver.chromium.linux': {
-      'closure_compilation': set(['defaulttests']),
-    },
-  }