Turn down all non-ninja iOS try bots, as well as chromium_trybot iOS bots

masters/master.tryserver.chromium.mac/master.cfg

Index: masters/master.tryserver.chromium.mac/master.cfg
diff --git a/masters/master.tryserver.chromium.mac/master.cfg b/masters/master.tryserver.chromium.mac/master.cfg
index c6949a0d6ea6fea6ddc8802cabbd18b0ea90fcc0..c5c456fd6ba84edac13b9dd49c3d206857e653dc 100644
--- a/masters/master.tryserver.chromium.mac/master.cfg
+++ b/masters/master.tryserver.chromium.mac/master.cfg
@@ -58,21 +58,11 @@ c['mergeRequests'] = False
 # Try queues.
 pools = BuildersPools('chrome')
 
-b_ios_dbg_simulator = {
-  'name': 'ios_dbg_simulator',
-  'factory': m_annotator.BaseFactory('ios/try'),
-}
-
 b_ios_dbg_simulator_ninja = {
   'name': 'ios_dbg_simulator_ninja',
   'factory': m_annotator.BaseFactory('ios/try'),
 }
 
-b_ios_rel_device = {
-  'name': 'ios_rel_device',
-  'factory': m_annotator.BaseFactory('ios/try'),
-}
-
 b_ios_rel_device_ninja = {
   'name': 'ios_rel_device_ninja',
   'factory': m_annotator.BaseFactory('ios/try'),
@@ -128,18 +118,6 @@ chromium_builders.append({
   'factory': m_annotator.BaseFactory('chromium_trybot', timeout=3600),
 })
 
-chromium_builders.extend([{
-    'name': 'ios_rel_device_ng',
-    'factory': m_annotator.BaseFactory('chromium_trybot'),
-  }, {
-    'name': 'ios_dbg_simulator_ng',
-    'factory': m_annotator.BaseFactory('chromium_trybot'),
-  }, {
-    'name': 'ios_rel_device_ninja_ng',
-    'factory': m_annotator.BaseFactory('chromium_trybot'),
-  },
-])
-
 # NaCl SDK try bots
 b_mac_nacl_sdk = {
   'name': 'mac_nacl_sdk',
@@ -153,9 +131,7 @@ b_mac_nacl_sdk_build = {
 }
 
 c['builders'] = [
-  b_ios_dbg_simulator,
   b_ios_dbg_simulator_ninja,
-  b_ios_rel_device,
   b_ios_rel_device_ninja,
   b_mac_nacl_sdk,
   b_mac_nacl_sdk_build,