Remove the iOS deterministic builder.

masters/master.chromium.swarm/master.cfg

Index: masters/master.chromium.swarm/master.cfg
diff --git a/masters/master.chromium.swarm/master.cfg b/masters/master.chromium.swarm/master.cfg
index e525ad35eff6a1f30402c9463677d222c5ca97f0..6ccb8f404ec5469d77962c4c1fc736358898c2a5 100644
--- a/masters/master.chromium.swarm/master.cfg
+++ b/masters/master.chromium.swarm/master.cfg
@@ -53,8 +53,7 @@ s_chromium_swarm = Scheduler(name='experimental',
                                            'Linux deterministic build',
                                            'Windows deterministic build',
                                            'Mac deterministic build',
-                                           'Android deterministic build',
-                                           'IOS deterministic build'])
+                                           'Android deterministic build'])
 
 s_heartbeat = timed.Periodic(
     name='heartbeat', builderNames=['Heartbeat', 'Heartbeat Canary'],
@@ -157,7 +156,6 @@ b_win_deterministic_build = DeterministicBuilderFactory('Windows')
 b_linux_deterministic_build = DeterministicBuilderFactory('Linux')
 b_mac_deterministic_build = DeterministicBuilderFactory('Mac')
 b_android_deterministic_build = DeterministicBuilderFactory('Android')
-b_ios_deterministic_build = DeterministicBuilderFactory('IOS')
 
 c['builders'] = [
   b_heartbeat,
@@ -172,7 +170,6 @@ c['builders'] = [
   b_linux_deterministic_build,
   b_mac_deterministic_build,
   b_android_deterministic_build,
-  b_ios_deterministic_build,
 ]
 
 # Associate the slaves to the builders. The configuration is in slaves.cfg.