Remove linux_internal from the autoroller CQ.

The CQ no longer has permission to schedule builds in linux_internal.

NOTRY=True
TBR=kjellander@webrtc.org
BUG=None

Review-Url: https://codereview.webrtc.org/2985933002
Cr-Commit-Position: refs/heads/master@{#19178}
diff --git a/tools_webrtc/autoroller/roll_deps.py b/tools_webrtc/autoroller/roll_deps.py
index b961029..f3ba785 100755
--- a/tools_webrtc/autoroller/roll_deps.py
+++ b/tools_webrtc/autoroller/roll_deps.py
@@ -27,11 +27,6 @@
   'src/webrtc/examples/androidtests/third_party/gradle',
 ]
 
-# 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://chromium.googlesource.com/external/webrtc'
 CHROMIUM_SRC_URL = 'https://chromium.googlesource.com/chromium/src'
 CHROMIUM_COMMIT_TEMPLATE = CHROMIUM_SRC_URL + '/+/%s'
@@ -321,7 +316,6 @@
 
   commit_msg.append('TBR=%s' % tbr_authors)
   commit_msg.append('BUG=None')
-  commit_msg.append('CQ_INCLUDE_TRYBOTS=%s' % EXTRA_TRYBOTS)
   return '\n'.join(commit_msg)