Don't use nonstandard tryjobs for autoroller

Bug: chromium:888417
Change-Id: I47b0f4e3ef19d88a906e52d0e994ea377a565afc
No-Try: True
Reviewed-on: https://webrtc-review.googlesource.com/102420
Commit-Queue: Oleh Prypin <oprypin@webrtc.org>
Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#24875}
diff --git a/tools_webrtc/autoroller/roll_deps.py b/tools_webrtc/autoroller/roll_deps.py
index d91d838..497df4f 100755
--- a/tools_webrtc/autoroller/roll_deps.py
+++ b/tools_webrtc/autoroller/roll_deps.py
@@ -50,11 +50,6 @@
 ]
 
 
-# Run these CQ trybots in addition to the default ones in infra/config/cq.cfg.
-EXTRA_TRYBOTS = (
-  'master.internal.tryserver.corp.webrtc:linux_internal'
-)
-
 WEBRTC_URL = 'https://webrtc.googlesource.com/src'
 CHROMIUM_SRC_URL = 'https://chromium.googlesource.com/chromium/src'
 CHROMIUM_COMMIT_TEMPLATE = CHROMIUM_SRC_URL + '/+/%s'
@@ -484,9 +479,8 @@
                            working_dir=CHECKOUT_SRC_DIR)[0].splitlines()[0]
   tbr_authors = git_author + ',' + tbr_authors
 
-  commit_msg.append('TBR=%s' % tbr_authors)
-  commit_msg.append('BUG=None')
-  commit_msg.append('CQ_INCLUDE_TRYBOTS=%s' % EXTRA_TRYBOTS)
+  commit_msg.append('TBR: %s' % tbr_authors)
+  commit_msg.append('Bug: None')
   return '\n'.join(commit_msg)