Replace ios-simulator-swarming bot with ios-simulator-xcode-clang

ios/build/bots/chromium.mac/ios-simulator-swarming.json

Index: ios/build/bots/chromium.mac/ios-simulator-swarming.json
diff --git a/ios/build/bots/chromium.mac/ios-simulator-swarming.json b/ios/build/bots/chromium.mac/ios-simulator-swarming.json
deleted file mode 100644
index 40056de5a3d3fcbdbb588022d408652db2fe03c3..0000000000000000000000000000000000000000
--- a/ios/build/bots/chromium.mac/ios-simulator-swarming.json
+++ /dev/null
@@ -1,47 +0,0 @@
-{
-  "owners": [
-    "dpranke",
-    "smut"
-  ],
-  "comments": [
-    "Tests for 64-bit iOS 10.0 simulators.",
-    "Tests run on iPhone 6s and iPad Air 2, both 64-bit.",
-    "Build is performed with gn+ninja."
-  ],
-  "xcode version": "8.0",
-  "GYP_DEFINES": [
-    "OS=ios",
-    "chromium_ios_signing=0",
-    "component=static_library",
-    "use_goma=1",
-    "gomadir=$(goma_dir)",
-    "target_subarch=both"
-  ],
-  "gn_args": [
-    "is_debug=true",
-    "target_os=\"ios\"",
-    "ios_enable_code_signing=false",
-    "is_component_build=false",
-    "use_goma=true",
-    "goma_dir=\"$(goma_dir)\"",
-    "target_cpu=\"x64\"",
-    "additional_target_cpus=[\"x86\"]"
-  ],
-  "mb_type": "gn",
-  "compiler": "ninja",
-  "additional_compile_targets": ["gn_all"],
-  "configuration": "Debug",
-  "sdk": "iphonesimulator10.0",
-  "tests": [
-    {
-      "include": "common_tests.json",
-      "device type": "iPhone 6s",
-      "os": "10.0"
-    },
-    {
-      "include": "common_tests.json",
-      "device type": "iPad Air 2",
-      "os": "10.0"
-    }
-  ]
-}