Remove the iOS deterministic builder.

scripts/slave/recipes/swarming/deterministic_build.py

Index: scripts/slave/recipes/swarming/deterministic_build.py
diff --git a/scripts/slave/recipes/swarming/deterministic_build.py b/scripts/slave/recipes/swarming/deterministic_build.py
index fcb8f48694f7a6320aa55a1968c073d7d8403bfb..420b0f1c891c0649dfd76b82b5d7da74351f7d3d 100644
--- a/scripts/slave/recipes/swarming/deterministic_build.py
+++ b/scripts/slave/recipes/swarming/deterministic_build.py
@@ -34,18 +34,6 @@ DETERMINISTIC_BUILDERS = freeze({
     'platform': 'linux',
     'targets': ['all'],
   },
-  'IOS deterministic build': {
-    'chromium_apply_config': ['ninja'],
-    'chromium_config': 'chromium_ios_device',
-    'chromium_config_kwargs': {
-      'BUILD_CONFIG': 'Release',
-      'TARGET_PLATFORM': 'ios',
-      'TARGET_BITS': 32,
-    },
-    'gclient_config': 'ios',
-    'platform': 'mac',
-    'targets': ['all'],
-  },
   'Linux deterministic build': {
     'chromium_config': 'chromium',
     'gclient_config': 'chromium',
@@ -114,8 +102,7 @@ def GenSteps(api):
   else:
     target_platform = recipe_config.get('platform')
 
-  # TODO(sebmarchand): iOS should be handled differently, fix this.
-  if target_platform in ('linux', 'mac', 'win', 'ios'):
+  if target_platform in ('linux', 'mac', 'win'):
     ConfigureChromiumBuilder(api, recipe_config)
   elif target_platform is 'android':
     ConfigureAndroidBuilder(api, recipe_config)