chore(Babel): Migrate on babel-env

Author: nodkz

.babelrc

@@ -1,35 +1,13 @@
 {
-  "env": {
-    "development": {
-      "passPerPreset": true,
-      "presets": [
-        { "plugins": [ "transform-runtime" ] },
-        {
-    			"passPerPreset": false,
-    			"presets": ["es2015"]
-    		}
-      ],
-      "plugins": [
-        "syntax-async-functions",
-        "transform-regenerator",
-        "transform-class-properties",
-        "transform-object-rest-spread",
-        "transform-flow-strip-types"
-      ]
-    },
-    "es": {
-      "presets": [
-        ["es2015", {"modules": false}]
-      ],
-      "plugins": [
-        "syntax-async-functions",
-        ["transform-regenerator", {
-            "async": false
-        }],
-        "transform-class-properties",
-        "transform-object-rest-spread",
-        "transform-flow-strip-types",
-      ]
-    }
-  }
+  "plugins": [
+    "transform-object-rest-spread",
+    "transform-flow-strip-types"
+  ],
+  "presets": [
+    ["env", {
+      "targets": {
+        "node": 4
+      },
+    }]
+  ],
 }

package.json

@@ -25,7 +25,6 @@
   },
   "homepage": "https://github.com/nodkz/graphql-compose-mongoose",
   "dependencies": {
-    "babel-runtime": "^6.23.0",
     "object-path": "^0.11.4"
   },
   "peerDependencies": {
@@ -36,15 +35,10 @@
   },
   "devDependencies": {
     "babel-cli": "^6.24.1",
-    "babel-core": "^6.24.1",
     "babel-eslint": "^7.2.3",
-    "babel-plugin-syntax-async-functions": "6.13.0",
-    "babel-plugin-transform-class-properties": "^6.24.1",
     "babel-plugin-transform-flow-strip-types": "^6.22.0",
     "babel-plugin-transform-object-rest-spread": "^6.23.0",
-    "babel-plugin-transform-regenerator": "^6.24.1",
-    "babel-plugin-transform-runtime": "^6.23.0",
-    "babel-preset-es2015": "^6.24.1",
+    "babel-preset-env": "^1.5.1",
     "cz-conventional-changelog": "^2.0.0",
     "eslint": "^3.19.0",
     "eslint-config-airbnb-base": "^11.2.0",