cheets_CTSHelper: Drop init_network_controller argument.

[*** DO NOT INTEGRATE TO R58 ***]
On R59 this became false by default so it is not needed.

BUG=b:36663732
TEST=test_that cheets_CTSHelper

Change-Id: Ib036e88a84eb5c3b7ac3092d298965bf374ceee8
Reviewed-on: https://chromium-review.googlesource.com/461697
Commit-Ready: Ilja H. Friedel <ihf@chromium.org>
Tested-by: Ilja H. Friedel <ihf@chromium.org>
Reviewed-by: Ilja H. Friedel <ihf@chromium.org>
diff --git a/client/site_tests/cheets_CTSHelper/cheets_CTSHelper.py b/client/site_tests/cheets_CTSHelper/cheets_CTSHelper.py
index 508deb7..b094f14 100644
--- a/client/site_tests/cheets_CTSHelper/cheets_CTSHelper.py
+++ b/client/site_tests/cheets_CTSHelper/cheets_CTSHelper.py
@@ -34,8 +34,7 @@
             # ensure the machine will be rebooted after test.
             try:
                 self.chrome = chrome.Chrome(
-                            arc_mode=arc.arc_common.ARC_MODE_ENABLED,
-                            init_network_controller=False)
+                            arc_mode=arc.arc_common.ARC_MODE_ENABLED)
             except:
                 # We are going to paper over some failures here. Notice these
                 # should still be detected by regularly running
@@ -45,5 +44,4 @@
                 time.sleep(20)
                 self.chrome = chrome.Chrome(
                             arc_mode=arc.arc_common.ARC_MODE_ENABLED,
-                            num_tries=3,
-                            init_network_controller=False)
+                            num_tries=3)