fix(package.json): remove es6-promise from the peerDependency list

As of zone.js@0.6* we no longer require an es6-promise polyfill. The polyfill is only needed on browsers that don't
have native Promise support.

modules/angular2/package.json

@@ -9,7 +9,6 @@
   "repository": <%= JSON.stringify(packageJson.repository) %>,
   "devDependencies": <%= JSON.stringify(packageJson.defaultDevDependencies) %>,
   "peerDependencies": {
-    "es6-promise": "<%= packageJson.dependencies['es6-promise'] %>",
     "es6-shim": "<%= packageJson.dependencies['es6-shim'] %>",
     "reflect-metadata": "<%= packageJson.dependencies['reflect-metadata'] %>",
     "rxjs": "<%= packageJson.dependencies['rxjs'] %>",

modules/benchpress/package.json

@@ -10,7 +10,6 @@
   "repository": <%= JSON.stringify(packageJson.repository) %>,
   "dependencies": {
     "angular2": "<%= packageJson.version %>",
-    "es6-promise": "<%= packageJson.dependencies['es6-promise'] %>",
     "es6-shim": "<%= packageJson.dependencies['es6-shim'] %>",
     "reflect-metadata": "<%= packageJson.dependencies['reflect-metadata'] %>",
     "rxjs": "<%= packageJson.dependencies['rxjs'] %>",

npm-shrinkwrap.clean.json

@@ -2083,9 +2083,6 @@
     "es6-module-loader": {
       "version": "0.17.9"
     },
-    "es6-promise": {
-      "version": "3.0.2"
-    },
     "es6-shim": {
       "version": "0.35.0"
     },

npm-shrinkwrap.json

@@ -3279,11 +3279,6 @@
       "from": "es6-module-loader@>=0.17.4 <0.18.0",
       "resolved": "https://registry.npmjs.org/es6-module-loader/-/es6-module-loader-0.17.9.tgz"
     },
-    "es6-promise": {
-      "version": "3.0.2",
-      "from": "es6-promise@>=3.0.2 <4.0.0",
-      "resolved": "https://registry.npmjs.org/es6-promise/-/es6-promise-3.0.2.tgz"
-    },
     "es6-shim": {
       "version": "0.35.0",
       "from": "es6-shim@0.35.0",
@@ -9310,7 +9305,8 @@
     },
     "zone.js": {
       "version": "0.6.4",
-      "from": "zone.js@0.6.4"
+      "from": "zone.js@0.6.4",
+      "resolved": "https://registry.npmjs.org/zone.js/-/zone.js-0.6.4.tgz"
     }
   }
 }

package.json

@@ -32,7 +32,6 @@
     "test": "gulp test.all.js && gulp test.all.dart"
   },
   "dependencies": {
-    "es6-promise": "^3.0.2",
     "es6-shim": "^0.35.0",
     "reflect-metadata": "0.1.2",
     "rxjs": "5.0.0-beta.2",