Revert "[autotest] Enable Chameleon suites to run nightly on >=tot-1 branches"

This reverts commit a807c75fb32acffc54c5b14231b9ab3004efb39c.

Almost all the Chameleon tests fail on R42. Most of the failures fall into:
- The xmlrpc server won't start
- method display.take_external_screenshot not supported
- freon: get_external_connector_name not implemented

Revert the change for now until the tests are more stable.

BUG=None
TEST=None

Change-Id: I8a237a52e2a3ecd70f9fdd58ea7e4efa3cf58cbd
Reviewed-on: https://chromium-review.googlesource.com/263381
Reviewed-by: Yuli Huang <yuli@chromium.org>
Commit-Queue: Hung-ying Tyan <tyanh@chromium.org>
Tested-by: Hung-ying Tyan <tyanh@chromium.org>
diff --git a/suite_scheduler.ini b/suite_scheduler.ini
index 431a49c..eb94cb8 100644
--- a/suite_scheduler.ini
+++ b/suite_scheduler.ini
@@ -44,35 +44,35 @@
 [ChameleonDp]
 run_on: nightly
 suite: chameleon_dp
-branch_specs: >=tot-1
+branch_specs: ==tot
 pool: chameleon
 file_bugs: True
 
 [ChameleonDpWeekly]
 run_on: weekly
 suite: chameleon_dp_weekly
-branch_specs: >=tot-1
+branch_specs: ==tot
 pool: chameleon
 file_bugs: True
 
 [ChameleonHdmi]
 run_on: nightly
 suite: chameleon_hdmi
-branch_specs: >=tot-1
+branch_specs: ==tot
 pool: chameleon
 file_bugs: True
 
 [ChameleonHdmiWeekly]
 run_on: weekly
 suite: chameleon_hdmi_weekly
-branch_specs: >=tot-1
+branch_specs: ==tot
 pool: chameleon
 file_bugs: True
 
 [ChameleonVga]
 run_on: nightly
 suite: chameleon_vga
-branch_specs: >=tot-1
+branch_specs: ==tot
 pool: chameleon
 
 [NightlyHwQual]
@@ -457,6 +457,18 @@
 branch_specs: >=tot-2
 pool: suites
 
+[WeeklyChameleonDp]
+run_on: weekly
+suite: chameleon_dp
+branch_specs: >=tot-1
+pool: chameleon
+
+[WeeklyChameleonHdmi]
+run_on: weekly
+suite: chameleon_hdmi
+branch_specs: >=tot-1
+pool: chameleon
+
 [WeeklyNightlyHwQual]
 run_on: weekly
 suite: hwqual