Change iOS Simulator bot to 32-bit and iPhone 5.

webrtc/build/ios/client.webrtc.fyi/iOS64_Sim_Debug_(iOS_9.0).json

Index: webrtc/build/ios/client.webrtc.fyi/iOS64_Sim_Debug_(iOS_9.0).json
diff --git a/webrtc/build/ios/client.webrtc.fyi/iOS64_Sim_Debug_(iOS_9.0).json b/webrtc/build/ios/client.webrtc.fyi/iOS64_Sim_Debug_(iOS_9.0).json
deleted file mode 100644
index cbd05e5b5963d6c9c9e402cee2c6085f6c60399f..0000000000000000000000000000000000000000
--- a/webrtc/build/ios/client.webrtc.fyi/iOS64_Sim_Debug_(iOS_9.0).json
+++ /dev/null
@@ -1,26 +0,0 @@
-{
-  "owners": [
-    "kjellander"
-  ],
-  "comments": [
-    "Tests for 64-bit iOS simulators.",
-    "gn_args in this file is only read by the buildbot recipe; ",
-    "webrtc/build/mb_config.pyl contains the actual build configuration.",
-    "TODO(kjellander): remove gn_args when the recipe is updated."
-  ],
-  "xcode version": "8.0",
-  "gn_args": [
-    "use_goma=true"
-  ],
-  "compiler": "ninja",
-  "additional_compile_targets": [ "all" ],
-  "configuration": "Debug",
-  "sdk": "iphonesimulator9.0",
-  "tests": [
-    {
-      "include": "common_tests.json",
-      "device type": "iPhone 6s",
-      "os": "9.0"
-    }
-  ]
-}