Update package.json

Author: Shyam-Chen

package.json

@@ -121,7 +121,6 @@
     "@angular/router": "2.0.0-rc.1",
     "es6-module-loader": "^0.17.8",
     "core-js": "^2.4.0",
-    "reflect-metadata": "0.1.2",
     "rxjs": "5.0.0-beta.6",
     "systemjs": "0.19.26",
     "zone.js": "^0.6.12"