Merge pull request #4892 from Jonahss/update-xcode

update appium-xcode to babel-backed version 2

package.json

@@ -47,7 +47,7 @@
     "appium-instruments": "=1.7.3",
     "appium-support": "=1.0.2",
     "appium-uiauto": "=1.10.7",
-    "appium-xcode": "=1.0.2",
+    "appium-xcode": "=2.0.0",
     "argparse": "~1.0.1",
     "async": "~0.9.0",
     "binary-cookies": "~0.1.1",
@@ -89,7 +89,6 @@
     "temp": "~0.8.1",
     "through": "~2.3.6",
     "touch": "0.0.3",
-    "traceur": "0.0.87",
     "underscore": "~1.8.1",
     "underscore.string": "~3.0.3",
     "unzip": "~0.1.11",